Exhibit 99.1

Hepsiburada to Announce Fourth Quarter and Full Year 2025 Results on February 26, 2026

ISTANBUL, February 12, 2026 - D-MARKET Electronic Services & Trading (d/b/a “Hepsiburada”) (NASDAQ: HEPS), a leading Turkish e-commerce platform, will report its unaudited financial results for the fourth quarter and full year ending December 31, 2025 after the U.S. market closes on Thursday, February 26, 2026.

About Hepsiburada

Hepsiburada is a leading e-commerce technology platform in Türkiye, operating through a hybrid model that combines first-party direct sales (1P) and a third-party marketplace (3P).

With its vision of leading the digitalization of commerce, Hepsiburada serves as a reliable, innovative and purpose-driven companion in consumers’ daily lives. Hepsiburada’s e-commerce platform offers a broad ecosystem of capabilities for merchants and consumers including last-mile delivery, fulfillment services, advertising solutions, cross-border sales, payment services and affordability solutions. Hepsiburada’s integrated fintech platform, Hepsipay, provides secure payment solutions, including digital wallets, general-purpose loans, buy now pay later (BNPL) and one-click checkout, enhancing shopping convenience for consumers across online and offline while driving higher sales conversions for merchants.

Since its founding in 2000, Hepsiburada has been purpose-driven, leveraging its digital capabilities to empower women in the Turkish economy. In 2017, Hepsiburada launched the ‘Technology Empowerment for Women Entrepreneurs’ program, which has supported female entrepreneurs across Türkiye in reaching millions of customers.

Investor Relations Contact

ir@hepsiburada.com

Media Contact

corporatecommunications@hepsiburada.com

D-MARKET Electronic Services & Trading 6-K