CURIOSITYSTREAM REPORTS 40% REVENUE GROWTH FOR FULL-YEAR 2025 (Form 8-K)

CURIOSITYSTREAM REPORTS

40% REVENUE GROWTH

FOR FULL-YEAR 2025

▪Full year 2025 revenue of $71.7 million, up 40%

▪Record full-year operating cash flow of $13.1 million, up 60%

▪Board authorizes $6 million share repurchase

SILVER SPRING, Md. (March 11, 2026) - CuriosityStream Inc. (NASDAQ: CURI), a global factual entertainment company, today announced its financial results for the fourth quarter and fiscal year ended December 31, 2025. In addition, the Company's Board of Directors authorized an additional $2 million in share repurchases bringing the total in authorized repurchases to $6 million.

"We are pleased to announce a strong finish to 2025, as we delivered on our promise of double-digit growth in both revenue and cash flow," said Clint Stinchcomb, President & CEO. "These gains reflect the strength of our complementary revenue pillars-licensing driven by high volume structured video fulfillments for AI model training and subscription sturdiness from existing and new partnerships, with both amplified by cost discipline that expanded gross margins. Our team made great progress in 2025 and laid the groundwork for what we believe will be the greatest year in company history by virtually all metrics.

Fourth Quarter 2025 Financial Results

•Revenue of $19.2 million, a 36% increase from $14.1 million in the fourth quarter of 2024;

•Record quarterly gross profit of $11.6 million or 61% gross margin, compared to $7.4 million or 52% gross margin in the fourth quarter of 2024;

•Net loss of $3.8 million, inclusive of $4.3 million of non-cash stock-based compensation, compared to net loss of $2.8 million, inclusive of $1.8 million in non-cash stock-based compensation, in the fourth quarter of 2024;

•Adjusted EBITDA1 of $1.1 million, compared to an Adjusted EBITDA loss of $1.9 million in the fourth quarter of 2024;

•Net cash provided by operating activities of $4.0 million, compared to $3.0 million in the fourth quarter of 2024;

•Adjusted Free Cash Flow1 of $4.3 million, an improvement of $1.0 million compared to the fourth quarter of 2024; and

•Cash, restricted cash and held-to-maturity securities balance of $27.3 million and no debt as of December 31, 2025.

Full Year 2025 Financial Results

•Revenue of $71.7 million, a 40% increase from $51.1 million in 2024;

•Record annual gross profit of $40.5 million or 57% gross margin, compared to $25.8 million or 50% gross margin in 2024;

•Net loss of $6.4 million, inclusive of $14.4 million of non-cash stock-based compensation, compared to net loss of $12.9 million, inclusive of $6.6 million in stock-based compensation, in 2024;

•Adjusted EBITDA1 of $8.2 million, compared to an Adjusted EBITDA loss of $6.0 million in 2024.

•Net cash provided by operating activities of $13.1 million, compared to $8.2 million in 2024; and

•Adjusted Free Cash Flow1 of $13.9 million, a 46% increase from $9.5 million in 2024.

Full Year 2025 Business Highlights

•Secured rights to an additional ~2 million hours of video and audio data across a wide range of genres, including feature film, scripted narrative, documentary, science, history, nature, technology, food, culture, economics, biography, lifestyle, reality, automotive, travel, fitness, dance, fashion and a wide range of sports and gaming content including adventure, extreme, team, mind and combat sports;

•Licensed several million short-form clips and long-form programs for both AI training and traditional media distribution; Completed 18 distinct AI training fulfillments in a broad and diverse range of categories including factual, scripted film and TV series, sports,foreign scripted and unscripted and raw footage.

•Licensed a slate of individual traditional programs and series to both new and returning traditional media partners, including public broadcasters, pay-TV partners, and academic distributors, across the US, Europe, Asia, and Latin America.

•Strengthened core offerings in science, history, nature and tech with additional premieres including Cleopatra: The Mystery of the Mummified Hand; FAST: The Celestial Eye; and Mysteries of the Bayeux Tapestry. Premiered multiple brand-defining originals including season two of Deadly Science, and one-hour specials Economics Explained: The Rise and Fall of the USA? and Breakthrough: Asteroid Impact;

•New and expanded multiyear wholesale distribution agreements in Asia and the Americas;

•New Curiosity service launches across North and Latin America including Curiosity University as a premium subscription on The Roku Channel; New service launches across Europe, including Curiosity University's launch on Amazon Prime in the UK, the Netherlands, Finland and Sweden;

•Expanded partnership with Samsung TV Plus, Samsung's free, ad-supported streaming TV service, with the launch of Curiosity Now in Spain;

•New FAST channel agreements in 12 countries: Launched and distributed three new US Hispanic FAST channels: Curiosity Explora, Curiosity Motores, Curiosity Animales, adding to our existing roster of Curiosity Now, Curiosity Animals, Curiosity History, Curiosity University, and Catholic History Channel;

•Grew Curiosity University partner subscribers by over 50%; and

•Launched payment options in sixteen new currencies, including the Chinese Yuan, Russian Ruble, Thai Baht, and Israeli New Shekel, bringing our total payment options to forty-two currencies.

Financial Outlook

CuriosityStream expects the following for the first half of 2026:

•Revenue within the range of $38 - $42 million.

•Adjusted Free Cash Flow1 within the range of $6 - $9 million.

1 See Non-GAAP Financial Measures below.

Conference Call Information

CuriosityStream will host a Q&A conference call today to discuss the Company's fourth quarter and full year 2025 results at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time). A live audio webcast of the call will be available on the CuriosityStream Investor Relations website at https://investors.curiositystream.com. Participants may also dial-in toll free at (877) 407-9716 or International at (201) 493-6779 and reference conference ID# 13758750. An audio replay of the conference call will be available for two weeks following the call on the CuriosityStream Investor Relations website at https://investors.curiositystream.com.