Source: Datadog Form 10-Q and Form 10-K MD&A (customers with ARR of $100,000 or more) and Datadog IR Financial Statement Package Other Selected Key Metrics tables. Form 10-Q ended June 30, 2026: about 4,720 (91% of ARR) versus 3,850 (89%) a year earlier. Form 10-Q ended March 31, 2026: about 4,550 (90%). Form 10-K year ended December 31, 2025: about 4,310 (90%) versus 3,610 (88%) at December 31, 2024. Q2 2024 through Q1 2026 quarterly path from the Q1 2026 and Q2 2026 IR packages (3,390 / 3,490 / 3,610 / 3,770 / 3,850 / 4,060 / 4,310 / 4,550 / 4,720).

Source: Datadog Form 10-K for the year ended December 31, 2025, MD&A Expanding Within Our Existing Customer Base: approximately 603 customers with ARR of $1.0 million or more as of December 31, 2025, up from 462 as of December 31, 2024. Same figures in the Q4 2025 Exhibit 99.1 earnings release (603, up 31% from 462) and in the Q1 2026 and Q2 2026 IR Financial Statement Package Other Selected Key Metrics tables (year-end columns only).

Source: Datadog Form 10-Q and Form 10-K MD&A (number of customers) and Datadog IR Financial Statement Package Other Selected Key Metrics tables. Form 10-Q ended June 30, 2026: about 33,400 versus 31,400 a year earlier. Form 10-Q ended March 31, 2026: about 33,200 versus 30,500. Form 10-K year ended December 31, 2025: about 32,700 versus 30,000 at December 31, 2024. Q2 2024 through Q1 2026 quarterly path from the Q1 2026 and Q2 2026 IR packages (28,700 / 29,200 / 30,000 / 30,500 / 31,400 / 32,000 / 32,700 / 33,200 / 33,400).

Source: Datadog Form 10-Q and Form 10-K, remaining performance obligations (us-gaap:RevenueRemainingPerformanceObligation, consolidated undimensioned context, retrieved from the SEC XBRL company-concept API). Quarters ended June 30, 2023 through June 30, 2026. Latest: Form 10-Q for the quarter ended June 30, 2026 ($3,471.4 million).