Genmab to Highlight Advances Across Its Oncology Portfolio at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting and the European Hematology Association (EHA) 2026 Congress

Media Release COPENHAGEN, Denmark; May 21, 2026 Twenty-three abstracts will highlight the versatility and strength of Genmab’s portfolio and pipeline, including data from the comprehensive epcoritamab development program, including 4 oral presentations Three abstracts will show the ongoing clinical

Genmab A/S has published its Articles of Association

Genmab A/S has published its Articles of Association dated May 12, 2026. The Articles of Association can be found on Genmab’s website: https://ir.genmab.com/genmab-news Contact: Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs T:

Capital Increase in Genmab as a Result of Employee Warrant Exercise

Company Announcement COPENHAGEN, Denmark; May 12, 2026 – Genmab A/S (Nasdaq: GMAB) will increase its share capital by 2,346 shares as a consequence of the exercise of employee warrants. The increase is effected without any preemption rights for the existing shareholders of the Company or others.

Major Shareholder Announcement

Company Announcement Major shareholder announcement for Genmab A/S COPENHAGEN, Denmark; May 8, 2026 – Genmab A/S (Nasdaq: GMAB) announces under reference to Section 30 of the Danish Capital Markets Act that Orbis Investment Management Limited has informed us that through shares, as of May 8, 2026,

Genmab Announces Financial Results for the First Quarter of 2026

May 7, 2026 Copenhagen, Denmark; Interim Report for the Three Months Ended March 31, 2026 Highlights Genmab revenue increased 25% compared to the first three months of 2025, to $896 million FDA approved an sBLA to remove the recommendation for 24-hour hospitalization for patients with third line

Genmab A/S has published its Articles of Association

Genmab A/S has published its Articles of Association dated March 19, 2026. The Articles of Association can be found on Genmab’s website: https://ir.genmab.com/genmab-news Contact: Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs

Genmab A/S Share Capital Reduction

Company Announcement COPENHAGEN, Denmark; April 17, 2026 – Genmab A/S (Nasdaq: GMAB) At Genmab A/S’ Annual General Meeting on March 19, 2026, it was decided to reduce the Company’s share capital with nominally DKK 1,900,000 by cancellation of 1,900,000 of the Company’s holding of shares with a

Major Shareholder Announcement

Company Announcement Major shareholder announcement for Genmab A/S COPENHAGEN, Denmark; April 14, 2026 – Genmab A/S (Nasdaq: GMAB) announces under reference to Section 30 of the Danish Capital Markets Act that Orbis Investment Management Limited has informed us that, as of April 13, 2026, Orbis

Genmab Announces Net Sales of DARZALEX® (daratumumab) for First Quarter of 2026

Company Announcement Net sales of DARZALEX ® in the first quarter of 2026 totaled USD 3,964 million Genmab receives royalties on worldwide net sales from Johnson & Johnson (J&J, legal entity Janssen Biotech, Inc.) COPENHAGEN, Denmark; April 14, 2026 – Genmab A/S (Nasdaq: GMAB) announced today that

Genmab Presents the Safety and Tolerability of Rinatabart Sesutecan (Rina-S®) in Combination with Bevacizumab in Advanced Ovarian Cancer

Media Release COPENHAGEN, Denmark; April 13, 2026 Phase 1/2 RAINFOL™-01 data showed the combination of rinatabart sesutecan (Rina-S ®) and bevacizumab was tolerable, with no new safety signals in patients with advanced ovarian cancer The ongoing Phase 3 RAINFOL-04 trial will further evaluate the

Transactions with Shares and Linked Securities in Genmab A/S Made by Managerial Employees and Their Closely Associated Persons

Company Announcement COPENHAGEN, Denmark; April 1, 2026 – Genmab A/S (Nasdaq: GMAB) - This document discloses the data of the transactions made in Genmab A/S (Nasdaq: GMAB) by managerial employees and their closely associated persons. In accordance with Article 19 of Regulation No.

Major Shareholder Announcement

Company Announcement Major shareholder announcement for Genmab A/S COPENHAGEN, Denmark; April 1, 2026 – Genmab A/S (Nasdaq: GMAB) announces under reference to Section 30 of the Danish Capital Markets Act that Orbis Investment Management Limited has informed us that, as of March 31, 2026, Orbis

Genmab Appoints Margarida Duarte as General Manager, Europe and Emerging Markets

Major Shareholder Announcement

Company Announcement Major shareholder announcement for Genmab A/S COPENHAGEN, Denmark; March 30, 2026 – Genmab A/S (Nasdaq: GMAB) announces under reference to Section 30 of the Danish Capital Markets Act that Orbis Investment Management Limited has informed us that, as of March 27, 2026, Orbis

Genmab A/S has published its Articles of Association

Genmab A/S has published its Articles of Association dated March 19, 2026. The Articles of Association can be found on Genmab’s website: https://ir.genmab.com/genmab-news Contact: Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs