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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2024
or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from              to
Commission File Number   001-39729
soterahealth_v_clr_rgb_RegisteredMark.jpg
SOTERA HEALTH COMPANY
(Exact name of registrant as specified in its charter)
Delaware47-3531161
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
9100 South Hills Blvd, Suite 300
Broadview Heights, Ohio
44147
(Address of principal executive offices)(Zip Code)
(440) 262-1410
(Registrant’s telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.01 par value per shareSHCThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.   Yes   No
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes   No
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes    No
As of July 29, 2024, there were 283,214,342 shares of the registrant’s common stock, $0.01 par value per share, outstanding.


SOTERA HEALTH COMPANY
- TABLE OF CONTENTS -


CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS
This Quarterly Report on Form 10-Q includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are often characterized by the use of words such as “believes,” “estimates,” “expects,” “projects,” “may,” “intends,” “plans” or “anticipates,” or by discussions of strategy, plans or intentions. Such forward-looking statements involve known and unknown risks, uncertainties and other important factors that could cause our actual results, performance, achievements, or industry results, to differ materially from historical results or any future results, performance or achievements expressed, suggested or implied by such forward-looking statements. Such risks and uncertainties include, but are not limited to:
a disruption in the availability or supply of, or increases in the price of, ethylene oxide (“EO”), Cobalt-60 (“Co-60”) or our other direct materials, services and supplies, including as a result of geopolitical instability and/or sanctions against Russia by the United States, Canada, United Kingdom and/or the European Union;
fluctuations in foreign currency exchange rates;
changes in environmental, health and safety regulations or preferences, and general economic, social and business conditions;
health and safety risks associated with the use, storage, transportation and disposal of potentially hazardous materials such as EO and Co-60;
the impact and outcome of current and future legal proceedings and liability claims, including litigation related to the use, emissions and releases of EO from our facilities in California, Georgia, Illinois and New Mexico and the possibility that additional claims will be made in the future relating to these or other facilities;
allegations of our failure to properly perform services and potential product liability claims, recalls, penalties and reputational harm;
compliance with the extensive regulatory requirements to which we are subject, the related costs, and any failures to receive or maintain, or delays in receiving, required clearances or approvals;
adverse changes in industry trends;
competition we face;
market changes, including inflationary trends, that impact our long-term supply contracts with variable price clauses and increase our cost of revenues;
business continuity hazards, including supply chain disruptions and other risks associated with our operations;
the risks of doing business internationally, including global and regional economic and political instability and compliance with numerous laws and sometimes inconsistent laws and regulations in multiple jurisdictions;
our ability to increase capacity at existing facilities, build new facilities in a timely and cost-effective manner and renew leases for our leased facilities;
our ability to attract and retain qualified employees;
severe health events or environmental events;
cybersecurity breaches, unauthorized data disclosures, and our dependence on information technology systems;
an inability to pursue strategic transactions, find suitable acquisition targets, or integrate strategic acquisitions into our business successfully;
our ability to maintain effective internal controls over financial reporting;
our reliance on intellectual property to maintain our competitive position and the risk of claims from third parties that we have infringed or misappropriated, or are infringing or misappropriating, their intellectual property rights;
our ability to comply with rapidly evolving data privacy and security laws and regulations in various jurisdictions and any ineffective compliance efforts with such laws and regulations;
our ability to maintain profitability in the future;
impairment charges on our goodwill and other intangible assets with indefinite lives, as well as other long-lived assets and intangible assets with definite lives;
the effects of unionization efforts and labor regulations in countries in which we operate;
adverse changes to our tax positions in U.S. or non-U.S. jurisdictions or the interpretation and application of recent U.S. tax legislation or other changes in U.S. or non-U.S. taxation of our operations; and
our significant leverage and how this significant leverage could adversely affect our ability to raise additional capital, limit our ability to react to challenges confronting our Company or broader changes in our industry or the economy, limit our flexibility in operating our business through restrictions contained in our debt agreements and/or prevent us from meeting our obligations under our existing and future indebtedness.
3

These statements are based on current plans, estimates and projections, and therefore you should not place undue reliance on them. Forward-looking statements speak only as of the date they are made, and we undertake no obligation to update them publicly in light of new information or future events, except as required by law. The inclusion of this forward-looking information should not be regarded as a representation by us or any other person that the future plans, estimates or expectations contemplated by us will be achieved.
You should carefully consider the above factors, as well as the factors discussed elsewhere in this Quarterly Report on Form 10-Q, including under Part II, Item 1A, “Risk Factors,” as well as Part I, Item 1A, “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2023 (the “2023 10-K”). If any of these trends, risks or uncertainties actually occur or continue, our business, financial condition or operating results could be materially adversely affected, the trading prices of our securities could decline and you could lose all or part of your investment. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by this cautionary statement.
Unless expressly indicated or the context requires otherwise, the terms “Sotera Health,” “Company,” “we,” “us,” and “our” in this Quarterly Report on Form 10-Q refer to Sotera Health Company, a Delaware corporation, and, where appropriate, its subsidiaries on a consolidated basis.
4

Part I—FINANCIAL INFORMATION
Item 1. Financial Statements
Sotera Health Company
Consolidated Balance Sheets
(in thousands, except per share amounts)
As of
June 30, 2024December 31, 2023
Assets(Unaudited)
Current assets:
Cash and cash equivalents$246,084 $296,407 
Restricted cash short-term1,674 5,247 
Accounts receivable, net of allowance for uncollectible accounts of $3,111 and $4,689, respectively
123,659 147,696 
Inventories, net57,872 48,316 
Prepaid expenses and other current assets56,652 53,846 
Income taxes receivable11,736 5,732 
Total current assets497,677 557,244 
Property, plant, and equipment, net994,614 946,914 
Operating lease assets24,272 24,037 
Deferred income taxes4,749 4,993 
Post-retirement assets30,721 28,482 
Other assets39,541 41,242 
Other intangible assets, net367,938 416,318 
Goodwill1,098,306 1,111,190 
Total assets$3,057,818 $3,130,420 
Liabilities and equity
Current liabilities:
Accounts payable$64,487 $71,039 
Accrued liabilities69,054 122,471 
Deferred revenues12,989 13,492 
Current portion of long-term debt11,092 4,797 
Current portion of finance lease obligations2,767 8,771 
Current portion of operating lease obligations4,835 5,934 
Income taxes payable4,409 4,150 
Total current liabilities169,633 230,654 
Long-term debt2,213,518 2,223,674 
Finance lease obligations, less current portion93,518 63,793 
Operating lease obligations, less current portion21,353 20,087 
Noncurrent asset retirement obligations48,096 47,944 
Deferred lease income17,906 18,762 
Post-retirement obligations8,184 8,439 
Noncurrent liabilities8,762 8,879 
Deferred income taxes54,084 64,454 
Total liabilities2,635,054 2,686,686 
See Commitments and contingencies note
Equity:
Common stock, with $0.01 par value, 1,200,000 shares authorized; 286,037 shares issued at June 30, 2024 and December 31, 2023
2,860 2,860 
Preferred stock, with $0.01 par value, 120,000 authorized; no shares issued at June 30, 2024 and
December 31, 2023
  
Treasury stock, at cost (2,823 and 3,207 shares at June 30, 2024 and December 31, 2023, respectively)
(24,764)(27,182)
Additional paid-in capital1,229,428 1,215,178 
Retained deficit(639,363)(654,440)
Accumulated other comprehensive loss(145,397)(92,682)
Total equity422,764 443,734 
Total liabilities and equity$3,057,818 $3,130,420 
See notes to consolidated financial statements.
5

Sotera Health Company
Consolidated Statements of Operations and Comprehensive Income (Loss)
(in thousands, except per share amounts)
(Unaudited)
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Revenues:
Service$237,756 $226,050 $464,237 $440,560 
Product38,838 29,232 60,533 35,312 
Total net revenues276,594 255,282 524,770 475,872 
Cost of revenues:
Service109,136 103,900 219,988 208,110 
Product14,667 11,794 24,876 16,671 
Total cost of revenues123,803 115,694 244,864 224,781 
Gross profit152,791 139,588 279,906 251,091 
Operating expenses:
Selling, general and administrative expenses60,575 60,287 118,784 122,197 
Amortization of intangible assets15,417 16,097 31,149 32,324 
Total operating expenses75,992 76,384 149,933 154,521 
Operating income76,799 63,204 129,973 96,570 
Interest expense, net40,388 30,728 82,159 59,598 
Loss on refinancing of debt23,400  24,090  
Foreign exchange (gain) loss
(611)465 (1,183)812 
Other income, net
(1,520)(2,474)(1,249)(3,727)
Income before income taxes15,142 34,485 26,156 39,887 
Provision for income taxes6,388 10,972 11,079 13,532 
Net income8,754 23,513 15,077 26,355 
Other comprehensive income (loss) net of tax:
Pension and post-retirement benefits (net of taxes of $10, $6, $47, and $(11), respectively)
30 18 143 (33)
Interest rate derivatives (net of taxes of $(857), $1,036, $(711) and $(2,360), respectively)
(2,461)4,002 (2,042)(5,249)
Foreign currency translation(23,110)21,374 (50,816)32,631 
Comprehensive income (loss)$(16,787)$48,907 $(37,638)$53,704 
Earnings per share:
Basic$0.03 $0.08 $0.05 $0.09 
Diluted0.03 0.08 0.05 0.09 
Weighted average number of shares outstanding:
Basic282,894 280,893 282,403 280,793 
Diluted284,541 283,147 284,264 283,040 
See notes to consolidated financial statements.
6

Sotera Health Company
Consolidated Statements of Cash Flows
(in thousands)
(Unaudited)
Six Months Ended June 30,
20242023
Operating activities:
Net income$15,077 $26,355 
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation40,381 37,920 
Amortization of intangible assets39,879 41,108 
Loss on refinancing of debt24,090  
Deferred income taxes(8,099)315 
Share-based compensation expense18,844 15,661 
Accretion of asset retirement obligations1,278 1,127 
Unrealized foreign exchange (gains) losses(6,980)4,601 
Unrealized gain (loss) on derivatives not designated as hedging instruments1,750 (747)
Amortization of debt issuance costs4,704 4,112 
Other(3,258)(2,623)
Changes in operating assets and liabilities:
Accounts receivable22,261 2,549 
Inventories(11,084)(3,877)
Other current assets(3,602)(9,220)
Accounts payable(1,959)(20,325)
Accrued liabilities(18,585)22,273 
Illinois EO litigation settlement (407,712)
Georgia EO litigation settlement(35,000) 
Income taxes payable / receivable, net(5,343)(14,067)
Other liabilities(128)(512)
Other long-term assets(3,232)358 
Net cash provided by (used in) operating activities70,994 (302,704)
Investing activities:
Purchases of property, plant and equipment(76,811)(98,134)
Other investing activities3732 
Net cash used in investing activities(76,774)(98,102)
Financing activities:
Proceeds from long-term borrowings2,259,350 500,000 
Payment of revolving credit facility (200,000)
Payments of debt issuance costs and debt discount(30,204)(24,672)
Payment on long-term borrowings(2,260,600) 
Buyout of leased facility(6,736) 
Other financing activities(3,172)(2,122)
Net cash (used in) provided by financing activities(41,362)273,206 
Effect of exchange rate changes on cash and cash equivalents(6,754)1,796 
Net decrease in cash and cash equivalents, including restricted cash(53,896)(125,804)
Cash and cash equivalents, including restricted cash, at beginning of period301,654 396,294 
Cash and cash equivalents, including restricted cash, at end of period$247,758 $270,490 
Supplemental disclosures of cash flow information:
Cash paid during the period for interest$111,169 $78,352 
Cash paid during the period for income taxes, net of tax refunds received27,714 27,590 
Purchases of property, plant and equipment included in accounts payable13,538 16,986 
See notes to consolidated financial statements.
7

Sotera Health Company
Consolidated Statements of Equity
(in thousands)
(Unaudited)
Three Months Ended June 30, 2024
Common Stock
Additional
Paid-In
Capital
Retained
Earnings /
(Accumulated
Deficit)
Accumulated
Other
Comprehensive
(Loss) Income
Total
Equity
Shares
Amount
Treasury
Stock
Balance at March 31, 2024283,071 $2,860 $(26,042)$1,220,547 $(648,117)$(119,856)$429,392 
Share-based compensation plans143 — 1,278 8,881 — — 10,159 
Comprehensive income (loss): 
Pension and post-retirement plan adjustments, net of tax— — — — — 30 30 
Foreign currency translation— — — — — (23,110)(23,110)
Interest rate derivatives, net of tax— — — — — (2,461)(2,461)
Net income — — — — 8,754 — 8,754
Balance at June 30, 2024283,214 $2,860 $(24,764)$1,229,428 $(639,363)$(145,397)$422,764 
Six Months Ended June 30, 2024
Common Stock

Additional
Paid-In
Capital
Retained
Earnings /
(Accumulated
Deficit)
Accumulated
Other
Comprehensive
(Loss) Income
Total
Equity
Shares
Amount
Treasury
Stock
Balance at December 31, 2023282,830 $2,860 $(27,182)$1,215,178 $(654,440)$(92,682)$443,734 
Share-based compensation plans384 — 2,418 14,250 — — 16,668 
Comprehensive income (loss):
Pension and post-retirement plan adjustments, net of tax— — — — — 143 143 
Foreign currency translation— — — — — (50,816)(50,816)
Interest rate derivatives, net of tax— — — — — (2,042)(2,042)
Net income— — — — 15,077 — 15,077
Balance at June 30, 2024283,214 $2,860 $(24,764)$1,229,428 $(639,363)$(145,397)$422,764 
See notes to consolidated financial statements.
8

Sotera Health Company
Consolidated Statements of Equity (continued)
(in thousands)
(Unaudited)
Three Months Ended June 30, 2023
Common Stock

Additional
Paid-In
Capital
Retained
Earnings /
(Accumulated
Deficit)
Accumulated
Other
Comprehensive
(Loss) Income
Total
Equity
Shares
Amount
Treasury
Stock
Balance at March 31, 2023282,516 $2,860 $(29,420)$1,195,357 $(702,974)$(104,698)$361,125 
Share-based compensation plans28 — 720 7,615 — — 8,335 
Comprehensive income (loss):
Pension and post-retirement plan adjustments, net of tax— — — — — 18 18 
Foreign currency translation— — — — — 21,374 21,374 
Interest rate derivatives, net of tax— — — — — 4,002 4,002 
Net income— — — — 23,513 — 23,513 
Balance at June 30, 2023282,544 $2,860 $(28,700)$1,202,972 $(679,461)$(79,304)$418,367 
Six Months Ended June 30, 2023
Common Stock

Additional
Paid-In
Capital
Retained
Earnings /
(Accumulated
Deficit)
Accumulated
Other
Comprehensive
(Loss) Income
Total
Equity
Shares
Amount
Treasury
Stock
Balance at December 31, 2022282,421 $2,860 $(29,775)$1,189,622 $(705,816)$(106,653)$350,238 
Share-based compensation plans123 — 1,075 13,350 — — 14,425 
Comprehensive income (loss):
Pension and post-retirement plan adjustments, net of tax— — — — — (33)(33)
Foreign currency translation— — — — — 32,631 32,631 
Interest rate derivatives, net of tax— — — — — (5,249)(5,249)
Net income— — — — 26,355 — 26,355
Balance at June 30, 2023282,544 $2,860 $(28,700)$1,202,972 $(679,461)$(79,304)$418,367 
See notes to consolidated financial statements.
9

Sotera Health Company
Notes to Consolidated Financial Statements

1.Basis of Presentation
Principles of Consolidation – Sotera Health Company (also referred to herein as the “Company,” “we,” “our,” “us” or “its”), is a leading global provider of mission-critical end-to-end sterilization solutions, lab testing and advisory services for the healthcare industry with operations primarily in the Americas, Europe and Asia.
We operate and report in three segments, Sterigenics, Nordion and Nelson Labs. We describe our reportable segments in Note 16, “Segment Information”. All intercompany balances and transactions have been eliminated in consolidation.
Use of Estimates – In preparing our consolidated financial statements in conformity with U.S. Generally Accepted Accounting Principles (“GAAP”), we make estimates and assumptions that affect the amounts reported and the accompanying notes. We regularly evaluate the estimates and assumptions used and revise them as new information becomes available. Actual results may vary from those estimates.
Interim Financial Statements – The accompanying consolidated financial statements include the assets, liabilities, operating results, and cash flows of the Company and its wholly owned subsidiaries. These financial statements are prepared in accordance with GAAP for interim financial information, the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. These unaudited interim financial statements should be read in conjunction with the Company's annual consolidated financial statements and accompanying notes in our 2023 10-K.
2.Recent Accounting Standards
Accounting Standard Updates (“ASU”) Issued But Not Yet Adopted
In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07-Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments in ASU 2023-07 require an entity to provide enhanced disclosures about significant segment expenses. The amendments in this ASU are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The Company is in the process of evaluating the impact of this standard on our consolidated financial statements and disclosures.

In December 2023, the FASB issued ASU 2023-09-Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments in this ASU require entities to disclose, on an annual basis, specific categories in the reconciliation of the provision (benefit) for income taxes to the statutory rate and provide additional information for reconciling items that meet a quantitative threshold. Additionally, the update requires entities to disclose a disaggregation of taxes paid by category (federal, state and foreign taxes) as well as individual jurisdictions. For public business entities, the amendments in this ASU are effective for annual periods beginning after December 15, 2024. The Company is in the process of evaluating the impact of this standard on our consolidated financial statements and disclosures.
3.Revenue Recognition
The following table shows disaggregated net revenues from contracts with external customers by timing of revenue and by segment for the three and six months ended June 30, 2024 and 2023:
(thousands of U.S. dollars)Three Months Ended June 30, 2024
SterigenicsNordionNelson LabsConsolidated
Point in time$176,354 $40,974 $ $217,328 
Over time 270 58,996 59,266 
Total$176,354 $41,244 $58,996 $276,594 
10

Sotera Health Company
Notes to Consolidated Financial Statements
(thousands of U.S. dollars)Three Months Ended June 30, 2023
SterigenicsNordionNelson LabsConsolidated
Point in time$166,590 $30,653 $ $197,243 
Over time 1,322 56,717 58,039 
Total$166,590 $31,975 $56,717 $255,282 
(thousands of U.S. dollars)Six Months Ended June 30, 2024
SterigenicsNordionNelson LabsConsolidated
Point in time$342,851 $64,025 $ $406,876 
Over time 1,226 116,668 117,894 
Total$342,851 $65,251 $116,668 $524,770 
(thousands of U.S. dollars)Six Months Ended June 30, 2023
SterigenicsNordionNelson LabsConsolidated
Point in time$326,587 $38,241 $ $364,828 
Over time 2,285 108,759 111,044 
Total$326,587 $40,526 $108,759 $475,872 
When we receive consideration from a customer prior to transferring goods or services under the terms of a sales contract, we record deferred revenue, which represents a contract liability. Deferred revenue totaled $13.0 million and $13.5 million at June 30, 2024 and December 31, 2023, respectively. We recognize deferred revenue after we have transferred control of the goods or services to the customer and all revenue recognition criteria are met.
4.Inventories
Inventories consisted of the following:
(thousands of U.S. dollars)
June 30, 2024December 31, 2023
Raw materials and supplies$46,626 $43,411 
Work-in-process2,371 471 
Finished goods9,104 4,670 
58,101 48,552 
Reserve for excess and obsolete inventory(229)(236)
Inventories, net$57,872 $48,316 
11

Sotera Health Company
Notes to Consolidated Financial Statements
5.Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following:
(thousands of U.S. dollars)
June 30, 2024December 31, 2023
Prepaid taxes$3,709 $4,129 
Prepaid business insurance3,827 7,174 
Prepaid rent1,226 1,150 
Customer contract assets21,599 17,785 
Current deposits501 715 
Prepaid maintenance contracts455 422 
Value added tax receivable3,576 4,306 
Prepaid software licensing2,746 2,503 
Stock supplies3,881 3,669 
Embedded derivatives1,571 1,225 
Other13,561 10,768 
Prepaid expenses and other current assets$56,652 $53,846 
6.Goodwill and Other Intangible Assets
Changes to goodwill during the six months ended June 30, 2024 were as follows:
(thousands of U.S. dollars)SterigenicsNordionNelson LabsTotal
Goodwill at December 31, 2023$659,888 $276,929 $174,373 $1,111,190 
Changes due to foreign currency exchange rates(3,311)(8,582)(991)(12,884)
Goodwill at June 30, 2024$656,577 $268,347 $173,382 $1,098,306 
Other intangible assets consisted of the following:
(thousands of U.S. dollars)
Gross Carrying
Amount
Accumulated
Amortization
As of June 30, 2024
Finite-lived intangible assets
Customer relationships$652,688 $511,941 
Proprietary technology75,453 51,222 
Trade names2,545 1,425 
Land-use rights8,529 1,912 
Sealed source and supply agreements202,400 110,243 
Other4,448 3,302 
Total finite-lived intangible assets946,063 680,045 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
76,229 — 
Trade names / trademarks25,691 — 
Total indefinite-lived intangible assets101,920 — 
Total$1,047,983 $680,045 
12

Sotera Health Company
Notes to Consolidated Financial Statements
As of December 31, 2023
Gross Carrying
Amount
Accumulated
Amortization
Finite-lived intangible assets
Customer relationships$657,673 $485,188 
Proprietary technology84,918 56,846 
Trade names2,567 1,207 
Land-use rights8,756 1,855 
Sealed source and supply agreements208,919 107,561 
Other4,517 2,905 
Total finite-lived intangible assets967,350 655,562 
Indefinite-lived intangible assets
Regulatory licenses and other(a)
78,684 — 
Trade names / trademarks25,846 — 
Total indefinite-lived intangible assets104,530 — 
Total$1,071,880 $655,562 
(a)Includes certain transportation certifications, a class 1B nuclear license and other intangibles related to obtaining such licensure. These assets are considered indefinite-lived as the decision for renewal by the Canadian Nuclear Safety Commission is highly based on a licensee’s previous assessments, reported incidents, and annual compliance and inspection results. New applications for license can take a significant amount of time and cost; whereas an existing licensee with a historical record of compliance and current operating conditions more than likely ensures renewal for another 10-year license period as Nordion has demonstrated over its 75 years of history.
Amounts include the impact of foreign currency translation. Fully amortized amounts are written off.
Amortization expense for finite-lived intangible assets was $19.8 million and $20.5 million for the three months ended June 30, 2024 and 2023, respectively. $15.4 million and $16.1 million was included in “Amortization of intangible assets” in the Consolidated Statements of Operations and Comprehensive Income (Loss) for the three months ended June 30, 2024 and 2023, respectively, whereas the remainder was included in “Cost of revenues.”
Amortization expense for finite-lived intangible assets was $39.9 million and $41.1 million for the six months ended June 30, 2024 and 2023, respectively. $31.1 million and $32.3 million was included in “Amortization of intangible assets” in the Consolidated Statements of Operations and Comprehensive Income (Loss) for the three and six months ended June 30, 2023, respectively.
The estimated aggregate amortization expense for finite-lived intangible assets for each of the next five years and thereafter is as follows:
(thousands of U.S. dollars)
For the remainder of 2024$39,468 
202542,138 
202622,039 
202720,962 
202820,414 
Thereafter120,997 
Total$266,018 
The weighted-average remaining useful life of the finite-lived intangible assets was approximately nine years as of June 30, 2024.
13

Sotera Health Company
Notes to Consolidated Financial Statements
7.Accrued Liabilities
Accrued liabilities consisted of the following:
(thousands of U.S. dollars)
June 30, 2024December 31, 2023
Accrued employee compensation$30,352 $35,037 
Georgia EO litigation settlement reserve
 35,000 
Illinois EO litigation settlement reserve 288 
Other legal reserves
370 1,480 
Accrued interest expense6,422 26,681 
Embedded derivatives2,508 414 
Professional fees17,367 12,691 
Accrued utilities1,924 2,056 
Insurance accrual3,248 2,922 
Accrued taxes2,337 2,407 
Other4,526 3,495 
Accrued liabilities$69,054 $122,471 
8.Long-Term Debt
Long-term debt consisted of the following:
(thousands of U.S. dollars)
As of June 30, 2024
Gross AmountUnamortized Debt Issuance CostsUnamortized Debt DiscountNet Amount
Secured notes due 2031$750,000 $(3,996)$ 746,004 
Term loan due 20311,509,350 (7,002)(23,742)1,478,606 
2,259,350 (10,998)(23,742)2,224,610 
Less current portion11,320 (51)(177)11,092 
Long-term debt$2,248,030 $(10,947)$(23,565)$2,213,518 
(thousands of U.S. dollars)
As of December 31, 2023
Gross AmountUnamortized Debt Issuance CostsUnamortized Debt DiscountNet Amount
Term loan, due 2026$1,763,100 $(1,606)$(10,298)1,751,196 
Term loan B, due 2026
497,500 (7,616)(12,609)477,275 
2,260,600 (9,222)(22,907)2,228,471 
Less current portion5,000 (76)(127)4,797 
Long-term debt$2,255,600 $(9,146)$(22,780)$2,223,674 
Debt Facilities
Senior Secured Credit Facilities
On December 13, 2019, Sotera Health Holdings, LLC (“SHH”), our wholly owned subsidiary, entered into senior secured first lien credit facilities (the “Senior Secured Credit Facilities”), consisting of both a prepayable senior secured first lien term loan (the “Term Loan”) and a senior secured first lien revolving credit facility (the “Revolving Credit Facility”) pursuant to a first lien credit agreement (the “Credit Agreement”). The total borrowing capacity under the Revolving Credit Facility is $423.8 million. The Senior Secured Credit Facilities also provide SHH the right at any time and under certain conditions to request
14

Sotera Health Company
Notes to Consolidated Financial Statements
incremental term loans or incremental revolving credit commitments based on a formula defined in the Senior Secured Credit Facilities.

On May 30, 2024, the Company and SHH entered into Amendment No. 4 (“Amendment No. 4”) to the Senior Secured Credit Facilities. Among other changes, Amendment No. 4 provides for term loans (the “Refinancing Term Loans”) to SHH in an aggregate principal amount of $1,509.4 million. Pursuant to Amendment No. 4, the Refinancing Term Loans shall have an applicable interest rate margin per annum equal to (i) ABR plus 2.25% for ABR Loans (as defined in the Credit Agreement), (ii) daily simple SOFR plus 3.25% for RFR Loans (as defined in the Credit Agreement) and (iii) Term SOFR plus 3.25% for Term Benchmark Loans (as defined in the Credit Agreement), in each case with a 0.00% applicable floor and the applicable interest rate margin shall be subject to a pricing step-down of 0.25% when the Senior Secured Leverage Ratio (as defined in the Credit Agreement) is less than or equal to 3.30:1.00. The Refinancing Term Loans are also subject to a “soft call” premium of 1.00% for certain repricing transactions with respect to the Refinancing Term Loans that occur within the six-month period after the effective date of Amendment No. 4. The Refinancing Term Loans amortize at a rate of 1.00% per annum and mature on May 30, 2031. The weighted average interest rate on borrowings under the Refinancing Term Loans for the three months ended June 30, 2024 was 8.58%.

On May 30, 2024, SHH, the Company and certain subsidiaries of the Company (the “Guarantors”), and Wilmington Trust, National Association, as trustee, paying agent, registrar, transfer agent and notes collateral agent, entered into an indenture (the “Indenture”) governing SHH’s newly issued $750.0 million aggregate principal amount of 7.375% senior secured notes due 2031 (the “Secured Notes”). The Secured Notes will pay interest semiannually in arrears on June 1 and December 1 of each year, beginning on December 1, 2024, at a rate of 7.375% per year, and will mature on June 1, 2031. The Secured Notes may be redeemed, at any time or from time to time, in whole or in part, on or after June 1, 2027 at the redemption prices specified in the Indenture, together with accrued and unpaid interest, if any, thereon to, but excluding, the redemption date. At any time or from time to time, prior to June 1, 2027, the Secured Notes may be redeemed, in whole or in part, at a redemption price equal to 100% of the aggregate principal amount thereof plus a make-whole premium, together with accrued and unpaid interest, if any, thereon to, but excluding, the redemption date. In addition, at any time or from time to time, prior to June 1, 2027, SHH may redeem up to 40% of the aggregate principal amount of the Secured Notes (including any additional Secured Notes issued under the Indenture) with an amount not to exceed the net cash proceeds from certain equity offerings at a redemption price equal to 107.375% of the aggregate principal amount thereof plus accrued and unpaid interest, if any, thereon to, but excluding, the redemption date. Further, at any time or from time to time, on or before June 1, 2027, SHH may redeem up to 10% of the then outstanding aggregate principal amount of Secured Notes (including any additional Secured Notes issued under the Indenture) during each of the twelve-month periods after the issue date, at a redemption price equal to 103% of the aggregate principal amount thereof, plus accrued and unpaid interest, if any, thereon to, but excluding, the redemption date.

The obligations under the Indenture are secured pursuant to a security agreement, dated as of May 30, 2024, by and among SHH, the Company, the other grantors party thereto, and Wilmington Trust, National Association (the “Security Agreement”), as may be amended from time to time, and related financing statements.
The Company used the combined net proceeds from the Refinancing Terms Loans and Secured Notes, along with cash on hand, to refinance its existing $1,763.1 million Term Loan due 2026 and $496.3 million Term Loan B due 2026.

On March 1, 2024, the Company and SHH entered into Amendment No. 3 (“Amendment No. 3”) to the Revolving Credit Facility. Among other changes, Amendment No. 3 provides (i) for new commitments under the existing Revolving Credit Facility to replace the existing revolving commitments in an aggregate principal amount of $83.0 million, (ii) that certain of the lenders providing revolving credit commitments shall also provide additional commitments for the issuance of letters of credit under the Revolving Credit Facility in an aggregate principal amount of $37.5 million and (iii) for the extension of the maturity date of the Revolving Credit Facility to March 1, 2029.
15

Sotera Health Company
Notes to Consolidated Financial Statements
The Senior Secured Credit Facilities and the Indenture contain additional covenants that, among other things, restrict, subject to certain exceptions, limitations and qualifications, our ability and the ability of our restricted subsidiaries to engage in certain activities, such as incur additional indebtedness or permit to exist any lien on any property or asset now owned or hereafter acquired, as specified in the Senior Secured Credit Facilities and the Indenture. The Senior Secured Credit Facilities and the Indenture also contain certain customary affirmative covenants and events of default, including upon a change of control. In addition, an event of default under the Senior Secured Credit Facilities and the Indenture would occur if the Company or certain of its subsidiaries received one or more enforceable judgments for payment in an aggregate amount in excess of the greater of (i) $162.6 million or (ii) 30.0% of consolidated EBITDA or LTM EBITDA (as defined in the Credit Agreement and the Indenture, respectively) and the judgments were not stayed or remained undischarged for a period of 60 consecutive days. As of June 30, 2024, we were in compliance with all of the covenants under the Senior Secured Credit Facilities and the Indenture.
All of SHH’s obligations under the Senior Secured Credit Facilities and the Indenture are unconditionally guaranteed by the Company and each existing and subsequently acquired or organized direct or indirect wholly owned domestic restricted subsidiary of the Company, with customary exceptions including, among other things, where providing such guarantees is not permitted by law, regulation or contract or would result in material adverse tax consequences. All obligations under the Senior Secured Credit Facilities and the Indenture, and the guarantees of such obligations, are secured by substantially all assets of the borrower and guarantors, subject to permitted liens and other exceptions and exclusions, as outlined in the Senior Secured Credit Facilities, the Indenture and the Security Agreement.
Outstanding letters of credit are collateralized by encumbrances against the Revolving Credit Facility and the collateral pledged thereunder, or by cash placed on deposit with the issuing bank. As of June 30, 2024, the Company had $23.7 million of letters of credit issued against the Revolving Credit Facility, resulting in total availability under the Revolving Credit Facility of $400.1 million.
Term Loan Interest Rate Risk Management
The Company utilizes interest rate derivatives to reduce the variability of cash flows in the interest payments associated with our variable rate debt due to changes in SOFR. For additional information on the derivative instruments described above, refer to Note 15, “Financial Instruments and Financial Risk”, “Derivative Instruments.”
Aggregate Maturities
Aggregate maturities of the Company’s long-term debt, excluding debt discounts, as of June 30, 2024, are as follows:
(thousands of U.S. dollars)
2024$3,773 
202515,094 
202615,094 
202715,094 
202815,094 
Thereafter2,195,201 
Total$2,259,350 
9.Income Taxes
Income tax expense is provided on an interim basis based upon our estimate of the annual effective income tax rate. In determining the estimated annual effective income tax rate, we analyze various factors, including projections of our annual earnings and the taxing jurisdictions where the earnings will occur, the impact of state and local taxes, our ability to utilize tax credits and net operating loss carryforwards and available tax planning alternatives. Our effective tax rates were 42.2% and 42.4% for the three and six months ended June 30, 2024, respectively, compared to 31.8% and 33.9% for the three and six months ended June 30, 2023, respectively.
Income tax expense for the three and six months ended June 30, 2024 differed from the statutory rate primarily due to the valuation allowance attributable to the limitation on the deductibility of interest expense and the impact of the foreign rate
16

Sotera Health Company
Notes to Consolidated Financial Statements
differential, partially offset by a benefit for state income taxes. Income tax expense for the three and six months ended June 30, 2023 differed from the statutory rate primarily due to a net increase in the valuation allowance attributable to the limitation on the deductibility of interest expense, the impact of the foreign rate differential, and global intangible low-tax income (“GILTI”). Income tax expense for the six months ended June 30, 2023 was also favorably impacted by a benefit for state income taxes.
10.Employee Benefits
The Company sponsors various post-employment benefit plans including, in certain countries outside the U.S., defined benefit and defined contribution pension plans, retirement compensation arrangements, and plans that provide extended health care coverage to retired employees, the majority of which relate to Nordion.
Defined benefit pension plan
The following defined benefit pension plan disclosure relates to Nordion. Certain immaterial foreign defined benefit pension plans have been excluded from the table below. The interest cost, expected return on plan assets and amortization of net actuarial gain are recorded in “Other income, net” and the service cost component is included in the same financial statement line item as the applicable employee’s wages in the Consolidated Statements of Operations and Comprehensive Income (Loss). The components of net periodic pension benefit for the defined benefit plan for the three and six months ended June 30, 2024 and 2023 were as follows:
Three Months Ended June 30,Six Months Ended June 30,
(thousands of U.S. dollars)2024202320242023
Service cost$142 $132 $287 $263 
Interest cost2,612 2,742 5,263 5,466 
Expected return on plan assets(3,961)(4,046)(7,980)(8,065)
Net periodic benefit$(1,207)$(1,172)$(2,430)$(2,336)
Other benefit plans
Other benefit plans disclosed below relate to Nordion and include a supplemental retirement arrangement, a retirement and termination allowance, and post-retirement benefit plans, which include contributory health and dental care benefits and contributory life insurance coverage. Certain immaterial other foreign benefit plans have been excluded from the table below. All but one non-pension post-employment benefit plans are unfunded. The components of net periodic benefit cost for the other benefit plans for the three and six months ended June 30, 2024 and 2023 were as follows:
Three Months Ended June 30,Six Months Ended June 30,
(thousands of U.S. dollars)2024202320242023
Service cost$2 $2 $5 $4 
Interest cost85 90 171 180 
Amortization of net actuarial gain(33)(44)(66)(88)
Net periodic benefit cost$54 $48 $110 $96 
The Company currently has no funding requirements as the Nordion pension plan has a going concern surplus as defined by Canadian federal regulation, which requires solvency testing on defined benefit pension plans on an annual basis.
The Company may obtain a qualifying letter of credit for solvency payments, up to 15% of the market value of solvency liabilities as determined on the valuation date, instead of paying cash into the pension fund. As of June 30, 2024 and December 31, 2023, we had letters of credit outstanding relating to the defined benefit plans totaling $15.9 million and $16.0 million, respectively. The actual funding requirements over the five-year period will be dependent on subsequent annual actuarial valuations. These amounts are estimates, which may change with actual investment performance, changes in interest rates, any pertinent changes in Canadian government regulations and any voluntary contributions.
17

Sotera Health Company
Notes to Consolidated Financial Statements
11.Other Comprehensive Income (Loss)
Amounts in accumulated other comprehensive income (loss) are presented net of the related tax. Foreign currency translation is not adjusted for income taxes.
Changes in our accumulated other comprehensive income (loss) balances, net of applicable tax, were as follows:
(thousands of U.S. dollars)
Defined
Benefit
Plans
Foreign
Currency
Translation
Interest
Rate
Derivatives
Total
Beginning balance – April 1, 2024$(7,184)$(118,737)$6,065 $(119,856)
Other comprehensive income (loss) before
reclassifications
63 (23,110)1,177 (21,870)
Amounts reclassified from accumulated other
comprehensive income (loss)
(33)
(a)
 (3,638)
(b)
(3,671)
Net current-period other comprehensive income (loss)30 (23,110)(2,461)(25,541)
Ending balance – June 30, 2024$(7,154)$(141,847)$3,604 $(145,397)
Beginning balance – January 1, 2024$(7,297)$(91,031)$5,646 (92,682)
Other comprehensive income (loss) before
reclassifications
209 (50,816)5,228 (45,379)
Amounts reclassified from accumulated other
comprehensive income (loss)
(66)
(a)
 (7,270)
(b)
(7,336)
Net current-period other comprehensive income (loss)143 (50,816)(2,042)(52,715)
Ending balance – June 30, 2024$(7,154)$(141,847)$3,604 $(145,397)
(thousands of U.S. dollars)
Defined
Benefit
Plans
Foreign
Currency
Translation
Interest
Rate
Derivatives
Total
Beginning balance – April 1, 2023$3,158 $(119,948)$12,092 $(104,698)
Other comprehensive income (loss) before
reclassifications
62 21,374 10,950 32,386 
Amounts reclassified from accumulated other
comprehensive income (loss)
(44)
(a)
 (6,948)(6,992)
Net current-period other comprehensive income (loss)18 21,374 4,002 25,394 
Ending balance – June 30, 2023$3,176 $(98,574)$16,094 $(79,304)
Beginning balance – January 1, 2023$3,209 $(131,205)$21,343 $(106,653)
Other comprehensive income (loss) before
reclassifications
55 32,631 8,555 41,241 
Amounts reclassified from accumulated other
comprehensive income (loss)
(88)
(a)
 (13,804)(13,892)
Net current-period other comprehensive income (loss)(33)32,631 (5,249)27,349 
Ending balance – June 30, 2023$3,176 $(98,574)$16,094 $(79,304)
(a)For defined benefit pension plans, amounts reclassified from accumulated other comprehensive income (loss) are recorded to “Other income, net” within the Consolidated Statements of Operations and Comprehensive Income (Loss).
(b)For interest rate derivatives, amounts reclassified from accumulated other comprehensive income (loss) are recorded to “Interest expense, net” within the Consolidated Statements of Operations and Comprehensive Income (Loss).
18

Sotera Health Company
Notes to Consolidated Financial Statements
12.Share-Based Compensation
Pre-IPO Awards
Restricted stock distributed in respect of pre-IPO Class B-1 time vesting units vests on a daily basis pro rata over a five-year vesting period (20% per year) beginning on the original vesting commencement date of the corresponding Class B-1 time vesting units, subject to the grantee’s continued services through each vesting date. Upon the occurrence of a change in control of the Company, all then outstanding unvested shares of our common stock distributed in respect of Class B-1 Units will vest as of the date of consummation of such change in control, subject to the grantee’s continued services through the consummation of the change in control.
Restricted stock distributed in respect of pre-IPO Class B-2 Units were considered performance vesting units. The required performance threshold for the vesting of B-2 restricted stock is the first date on which (i) our Sponsors have received actual cash proceeds in an amount equal to or in excess of at least two and one-half times their invested capital in Sotera Health Topco Parent, L.P. (of which the Company was a direct wholly owned subsidiary prior to the IPO) and (ii) the Sponsors’ internal rate of return exceeds 20%, subject to such grantee’s continued services through such date. Both performance thresholds were satisfied on March 4, 2024 and, as a result, all outstanding B-2 Units fully vested as of that date. Stock based compensation expense attributed to the pre-IPO Class B-2 awards was recorded in the fourth quarter of 2020 as the related performance conditions were considered probable of achievement and the implied service conditions were met.
We recognized $0.4 million and $0.5 million of share-based compensation expense related to the pre-IPO Class B-1 awards for the three months ended June 30, 2024 and 2023, respectively, and $0.8 million and $1.0 million for the six months ended June 30, 2024 and 2023, respectively.
A summary of the activity for the six months ended June 30, 2024 related to the restricted stock awards distributed in respect of the pre-IPO awards (Class B-1 and B-2 Units) is presented below:
Restricted
Stock - Pre-
IPO B-1
Restricted
Stock - Pre-
IPO B-2
Unvested at December 31, 2023352,447 987,111 
Forfeited
(2,650) 
Vested(144,795)(987,111)
Unvested at June 30, 2024205,002  
2020 Omnibus Incentive Plan
We maintain a long-term incentive plan (the “2020 Omnibus Incentive Plan” or the “2020 Plan”) that allows for grants of incentive stock options to employees (including employees of any of our subsidiaries), nonstatutory stock options, restricted stock awards (“RSAs”), restricted stock units (“RSUs”) and other cash-based, equity-based or equity-related awards to employees, directors, and consultants, including employees or consultants of our subsidiaries.

We recognized $9.8 million ($4.6 million for stock options and $5.2 million for RSUs) and $7.9 million ($3.7 million for stock options and $4.2 million for RSUs) of share-based compensation expense for these awards for the three months ended June 30, 2024 and 2023, respectively. We recognized $18.1 million ($8.6 million for stock options and $9.5 million for RSUs) and $14.7 million ($6.8 million for stock options and $7.9 million for RSUs) for the six months ended June 30, 2024 and 2023, respectively, in our Consolidated Statements of Operations and Comprehensive Income (Loss), in “Selling, general and administrative expenses.”
Stock Options
Stock options generally vest ratably over a period of two to four years. They have an exercise price equal to the fair market value of a share of common stock on the date of grant, and a contractual term of 10 years. The following table summarizes our stock option activity for the six months ended June 30, 2024:
19

Sotera Health Company
Notes to Consolidated Financial Statements
Number of
Shares
Weighted-average
Exercise Price
At December 31, 20236,972,661