Tandem Diabetes Care Announces Third Quarter 2024 Financial Results and Increases Full Year 2024 Sales Guidance

Tandem Diabetes Care, Inc. (NASDAQ:TNDM), a global insulin delivery and diabetes technology company, today reported its financial results for the quarter ended September 30, 2024 and increased sales guidance for the year ending December 31, 2024.

Third Quarter 2024 Highlights

• Worldwide GAAP sales increased 31 percent to $244.0 million compared to third quarter 2023; worldwide non-GAAP sales⁽¹⁾ increased 25 percent to $242.9 million compared to third quarter 2023.
• Grew worldwide pump shipments by more than 25 percent compared to third quarter 2023.
• Achieved year-over-year growth in new pump starts in the United States, including growth in new customers starting from multiple daily injections.
• Demonstrated positive Adjusted EBITDA and a return to positive free cash flow.
• Completed clinical study in support of a regulatory filing to expand the indication for Control-IQ to include people living with type 2 diabetes.

"The third quarter marked a milestone achievement for Tandem Diabetes Care as we delivered the highest quarterly sales in our Company's history, both in the U.S. and internationally," said John Sheridan, president and chief executive officer. "This performance, coupled with our strong operational execution, positions us well to achieve our remaining goals for 2024 and beyond, as we further our mission to improve the lives of people with diabetes."

Third Quarter 2024 Sales Results Compared to 2023

From September 2022 through February 2024, the Company offered the Tandem Choice Program (Tandem Choice) to eligible t:slim X2 customers to provide a pathway to ownership of Tandem Mobi, for a fee when available. At the end of the second quarter, the Company began offering eligible t:slim X2 owners the opportunity to switch to a Tandem Mobi under the terms of Tandem Choice. As a result of this program, the Company is providing select financial results on both a GAAP and non-GAAP basis. Additional information, including the accounting treatment of this program and other non-GAAP measures, can be found under Table D "Reconciliation of GAAP versus Non-GAAP Financial Results" attached to this press release. See also "Non-GAAP Financial Measures" below.

Third Quarter 2024 Additional Results Compared to Third Quarter 2023

• Sales: In the United States, GAAP sales included $1.0 million incremental sales relating to Tandem Choice compared to a sales deferral of $8.2 million. Non-GAAP sales exclude Tandem Choice-related sales deferrals or recognition.
  
  
  
  Shipments in the United States were approximately 21,000 pumps, which does not include pumps fulfilled under Tandem Choice. Shipments outside the United States were nearly 11,000 pumps.

• Gross profit: GAAP gross profit was $124.7 million, compared to $89.8 million. GAAP gross margin was 51 percent compared to 48 percent.
  
  
  
  Non-GAAP gross profit⁽¹⁾ was $124.3 million compared to $98.0 million. Non-GAAP gross margin⁽¹⁾ was 51 percent in both periods.

• Operating loss: GAAP operating loss was $26.1 million, or negative 11 percent of sales, compared to $31.5 million, or negative 17 percent of sales.
  
  
  
  Non-GAAP operating loss⁽¹⁾ was $26.5 million, or negative 11 percent of sales, compared to $23.3 million, or negative 12 percent of sales.

• Net loss: GAAP net loss was $23.3 million, compared to $33.0 million.
  
  
  
  Non-GAAP net loss⁽¹⁾ was $23.6 million compared to $24.7 million.
  
  
  
  Adjusted EBITDA⁽¹⁾ was $4.0 million, or 2 percent of sales, compared to $1.5 million, or 1 percent of sales.

⁽¹⁾ A reconciliation of non-GAAP financial measures to their most directly comparable GAAP financial measures and additional information can be found in Table D "Reconciliation of GAAP versus Non-GAAP Financial Results" attached to this press release. Also see "Non-GAAP Financial Measures" below for additional information.

See tables for additional financial information.

2024 Financial Guidance

The Company's non-GAAP guidance for the fiscal year ending December 31, 2024 is set forth below. The most directly comparable GAAP financial measures are not accessible on a forward-looking basis due to the high degree of complexity in the accounting treatment for the Tandem Choice program. For a description of non-GAAP sales, non-GAAP gross margin, and Adjusted EBITDA margin, as well as an illustration of the reconciliation from the most directly comparable GAAP financial measures, refer to Table D "Reconciliation of GAAP versus Non-GAAP Financial Results" attached to this press release. Also see "Non-GAAP Financial Measures" below for additional information.

For the year ending December 31, 2024, the Company is increasing 2024 sales guidance and reaffirming other financial guidance as follows:

• Non-GAAP sales are estimated to be approximately $903 million to $910 million for the full year.
  • Sales in the United States of $645 million to $650 million.
  • Sales outside the United States of approximately $258 million to $260 million.
• Non-GAAP gross margin is estimated to be approximately 51 percent.
• Adjusted EBITDA margin is estimated to be breakeven as a percent of sales.
• Non-cash charges included in cost of goods sold and operating expenses are estimated to be approximately $120 million. This includes:
  • Approximately $100 million non-cash, stock-based compensation expense.
  • Approximately $20 million depreciation and amortization expense.

Non-GAAP Financial Measures

Certain non-GAAP financial measures are presented in this press release to provide information that may assist investors in understanding the Company's financial results and assessing its prospects for future performance. The Company believes these non-GAAP financial measures are important operating performance indicators because they exclude items that are unrelated to, and may not be indicative of, the Company's core operating results. These non-GAAP financial measures, as calculated, may not necessarily be comparable to similarly titled measures of other companies and may not be appropriate measures for comparing the performance of other companies relative to the Company. These non-GAAP financial results are not intended to represent, and should not be considered to be more meaningful measures than, or alternatives to, measures of operating performance as determined in accordance with GAAP. To the extent the Company uses such non-GAAP financial measures in the future, they will be calculated using a consistent method from period to period. A reconciliation of each of the historical GAAP financial measures to the most directly comparable historical non-GAAP financial measures has been provided in Table D "Reconciliation of GAAP versus Non-GAAP Financial Results" attached to this press release.

The Company has not provided a reconciliation of forward-looking non-GAAP financial measures to the most directly comparable GAAP financial measures in reliance on the "unreasonable efforts" exception set forth in the applicable regulations, because there is substantial uncertainty associated with predicting any future adjustments that may be made to the Company's GAAP financial measures in calculating the non-GAAP financial measures.

In particular, the accounting treatment for Tandem Choice has a high degree of complexity. In September 2022 when the program was launched, the Company began deferring a portion of sales for each eligible t:slim X2 pump shipped in the United States. When a customer elects to participate in Tandem Choice, the Company will recognize the existing deferral, incremental fees received and the associated costs of providing the new insulin pump at the time of fulfillment. The timing of recognition will be based on either a) an affirmative election to participate in Tandem Choice or b) expiration of the right to participate at program expiration, provided all obligation under the Tandem Choice program are satisfied.

Notably:

• Offering the program does not impact the economics associated with how or when the initial pump sale is reimbursed.
• Customer eligibility for Tandem Choice was automatic at the time of a t:slim X2 purchase. Customer eligibility ended in February 2024 with the commercial availability of Tandem Mobi.
• Qualifying customers were able to elect participation in Tandem Choice starting at the end of the second quarter of 2024.
• An affirmative election is required for the customer to participate in Tandem Choice, at which time any customer fees will be received and recognized as a sale. Any remaining deferrals are expected to be recognized in the fourth quarter of 2024. The balance of the Tandem Choice deferral was $30.1 million as of September 30, 2024.
• The expiration date of Tandem Choice is December 31, 2024.

Conference Call

The Company will hold a conference call and simultaneous webcast today at 4:30pm Eastern Time (1:30pm Pacific Time). The link to the webcast will be available by accessing the Events & Presentations tab in the Investor Center of the Tandem Diabetes Care website at http://investor.tandemdiabetes.com, and will be archived for 30 days. To access the call by phone, please use this link (https://register.vevent.com/register/BI21747dfdc3fd4a4e98aeeeef73bf87b6) and you will be provided with dial-in details, including a personal pin.

About Tandem Diabetes Care, Inc.

Tandem Diabetes Care, a global insulin delivery and diabetes technology company, manufactures and sells advanced automated insulin delivery systems that reduce the burden of diabetes management, while creating new possibilities for patients, their loved ones, and healthcare providers. The Company's pump portfolio features the Tandem Mobi system and the t:slim X2 insulin pump, both of which feature Control-IQ advanced hybrid closed-loop technology. Tandem Diabetes Care is based in San Diego, California. For more information, visit tandemdiabetes.com.

Tandem Diabetes Care, the Tandem logo, Control-IQ, Tandem Mobi and t:slim X2 are either registered trademarks or trademarks of Tandem Diabetes Care, Inc. in the United States and/or other countries.

Forward-Looking Statements

This press release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that concern matters that involve risks and uncertainties that could cause actual results to differ materially from those anticipated or projected in the forward-looking statements. These forward-looking statements include statements regarding, among other things, the Company's projected financial results and the ability to achieve other operational and commercial goals. The Company's actual results may differ materially from those indicated in these forward-looking statements due to numerous risks and uncertainties. For instance, the Company's ability to achieve projected financial results will be impacted by market acceptance of the Company's products; products marketed and sold or under development by competitors; the Company's ability to establish and sustain operations to support international sales, including expanding into additional geographies; changes in reimbursement rates or insurance coverage for the Company's products; the Company's ability to meet increasing operational and infrastructure requirements from higher customer interest and a larger base of existing customers; the Company's ability to successfully commercialize its products; the Company's ability to develop and launch new products; risks associated with the regulatory approval process outside the United States for new products; the potential that newer products, or other technological breakthroughs for the monitoring, treatment or prevention of diabetes, may render the Company's products obsolete or less desirable, or may otherwise negatively impact the purchasing trends of customers; reliance on third-party relationships, such as outsourcing and supplier arrangements; global economic conditions; and other risks identified in the Company's most recent Annual Report on Form 10-K, Quarterly Report on Form 10-Q, and other documents that the Company files with the Securities and Exchange Commission. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this release. Tandem undertakes no obligation to update or review any forward-looking statement in this press release because of new information, future events or other factors.

⁽¹⁾ A reconciliation of non-GAAP financial measures to their closest GAAP equivalent and additional information can be found in Table D and under the heading "Reconciliation of GAAP versus Non-GAAP Financial Results."

⁽¹⁾ The accounting treatment for Tandem Choice has a high degree of complexity. Additional information can be found under the heading "Non-GAAP Financial Measures."

⁽²⁾ GAAP margins including GAAP gross margin and GAAP operating margin are calculated using GAAP sales.

⁽³⁾ Non-GAAP margins including non-GAAP gross margin, non-GAAP operating margin, and adjusted EBITDA margin are calculated using non-GAAP sales.

⁽⁴⁾ Acquired in-process research and development charges representing the value of acquired in-process research and development assets with no alternative future use and acquisition related expenses recorded in connection with the acquisitions of AMF Medical SA in 2023.

⁽⁵⁾ The Company recorded $14.1 million of facility consolidation costs related to our Vista Sorrento lease in San Diego, California in 2023.

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