Press release

Number of shares and votes in Oncopeptides

July 31, 2018 Regulatory
Stockholm —31 July, 2018 — Oncopeptides AB (Nasdaq Stockholm, ONCO) today announces that the number of shares and votes in Oncopeptides has changed as a result of exercise of warrants under the company’s incentive programs.

Through the exercise of warrants under the company’s incentive programs, the number of outstanding shares and votes will increase by 233,000 from 43,786,021 to 44,019,021. The share capital will increase by approximately SEK 25,889 from SEK 4,865,113 to 4,891,002.

For further information, please contact:

Jakob Lindberg, CEO of Oncopeptides
Telephone: +46 (0)8 615 20 40

Rein Piir, Head of Investor Relations at Oncopeptides
Cell phone: +46 708 537 292

This is information that Oncopeptides AB (publ) is obliged to make public pursuant to the Swedish Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact persons set out above, on July 31, 2018 at 13.00 (CET).

About Oncopeptides
Oncopeptides is a research and development stage pharmaceutical company developing drugs for the treatment of cancer. The company focus on the development of the lead product candidate Ygalo®, an alkylating peptide, Peptidase Enhanced Compounds (PEnCs). Ygalo® is intended as an effective treatment of hematological cancers, and in particular multiple myeloma. The current clinical study program is intended to demonstrate better results from treatment with Ygalo® compared with established alternative drugs for patients with late-stage multiple myeloma. Ygalo® will potentially provide physicians with a new treatment option for patients suffering from this serious disease.

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