Blackline, Inc..

Repurchased approximately 0.8 million shares of common stock for $43.3 million as part of its share repurchase program under which approximately $111.2 million of buyback capacity remained at June 30, 2025.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

________________________ 1 Excludes the after-tax impact of the gain on extinguishment of debt associated with the partial repurchase of the 2026 convertible senior notes.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

Non-GAAP net income attributable to BlackLine is defined as GAAP net income attributable to BlackLine adjusted for the income tax effects of acquisitions, stock-based compensation shortfalls and windfalls, and the discrete tax impact of other non-GAAP adjustments, amortization of intangible assets, stock-based compensation, amortization of debt issuance costs from our convertible senior notes, change in fair value of contingent consideration, transaction-related costs, legal settlement gains or costs, restructuring costs, adjustment to the redeemable non-controlling interest to the redemption amount, and gain on extinguishment of convertible senior notes.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

$ 8,292 $ 76,690 $ 14,347 $ 87,519 Provision for (benefit from) income taxes (12 ) 2,902 (666 ) 2,319 Amortization of intangible assets 3,468 5,195 7,118 10,391 Stock-based compensation 25,447 23,292 44,755 42,377 Amortization of debt issuance costs 845 1,294 1,679 2,679 Transaction-related costs (credits) 128 (6 ) 3,138 210 Restructuring and legal settlement costs 1,295 928 6,594 1,372 Adjustment to redeemable non-controlling interest (1,561 ) (2,255 ) (2,739 ) 1,248 Gain on extinguishment of convertible senior notes (65,112 ) (65,112 ) Total non-GAAP net income attributable to BlackLine, Inc.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

treasury securities 205,704 205,704 Commercial paper 152,792 152,792 Corporate bonds 29,682 29,682 Total assets $ 378,803 $ 182,474 $ $ 561,277 Liabilities Foreign currency forward contracts $ $ 37 $ $ 37 Total liabilities $ $ 37 $ $ 37 The Company classified the marketable debt securities as available-for-sale debt securities at the time of purchase and reevaluated such classification at each balance sheet date.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

The Company carries the 2029 Notes at face value less unamortized debt issuance costs in the unaudited condensed consolidated balance sheets and presents the fair value for disclosure purposes only.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

Our strong second quarter results demonstrate BlackLine's growing success, which is a direct outcome of our disciplined go-to-market execution and significant progress on the strategic initiatives we outlined last fall, said Owen Ryan, Co-CEO of BlackLine.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

Specifically, the delivery of our Studio360 platform, adoption of our new pricing strategy, sharpened industry focus, and enhanced partner network all played a key role in driving this quarter s performance.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

Forward-looking statements in this release and quarterly conference call include, but are not limited to, statements regarding BlackLine s future financial and operational performance, including, without limitation, GAAP and non-GAAP guidance for the third quarter and full year of 2025, the impact of progress against certain key initiatives, our expectations for our business, including the demand environment, BlackLine s addressable market, market position and pipeline, our international growth, and our relationships with our customers and partners, including opportunities to expand those relationships.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

Use of Operating Metrics BlackLine has provided in this release and the quarterly conference call held on August 5, 2025 certain operating metrics, including (i) number of customers, (ii) number of users, and (iii) dollar-based net revenue retention rate, which BlackLine uses to evaluate its business, measure its performance, identify trends affecting its business, formulate financial projections and make strategic decisions.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

17 Note 9 Restructuring Costs Fiscal 2025 Restructuring Programs In 2025, the Company initiated a global restructuring program to align resources with strategic priorities and enhance operational efficiency through talent optimization (the Fiscal 2025 restructuring programs ).

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

Forward-looking statements are based on information available at the time those statements are made and/or management s good-faith beliefs and assumptions as of that time with respect to future events, and are subject to risks and uncertainties.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

If any of these risks or uncertainties materialize or if any assumptions prove incorrect, actual performance or results may differ materially from those expressed in or suggested by the forward-looking statements.

SEC original ↗Blackline, Inc.. — Earnings release (8-K exhibit)EX-99Aug 5, 2025

Legal Proceedings 37 Item 1A.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

Exhibits 65 2 SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q 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, which statements involve substantial risk and uncertainties.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

Forward-looking statements are based on information available at the time those statements are made and/or management s good faith beliefs and assumptions as of that time with respect to future events and are subject to risks and uncertainty.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026

Readers are cautioned that these forward-looking statements are only predictions and are subject to risks, uncertainty, and assumptions that are difficult to predict, including those identified below, under Part II.

SEC original ↗Blackline, Inc.. — 10-Q Quarterly report10-QAug 5, 2026