Successful issuance of NOK Senior Non Preferred bonds

SpareBank 1 Østlandet (Issuer rating: Aa3 with stable outlook by Moody`s) has issued NOK 3.275bn in new senior non prefered bonds, split in four tranches:

• 5.1 year floating rate, ISIN: NO0013751446 NOK 1000 million, coupon of 3 months NIBOR + 0.755 % p.a. Maturity date 18 June 2031. • 5.35 year fixed rate, ISIN: NO0013751453 NOK 875 million, coupon of 5.237 % p.a. Maturity date 18 September 2031. • 6 year floating rate, ISIN: NO0013751438 NOK 750 million, coupon of 3 months NIBOR + 0.8 % p.a. Maturity date 18 May 2032 • 6 year fixed rate, ISIN: NO0013751479 NOK 650 million, coupon of 5.223 % p.a. Maturity date 18 May 2032.

Settlement date is 18 May 2026. The bond issue will be applied for listing on Nordic ABM.

Danske Bank and SEB acted as Joint Lead Managers.

Hamar 11 May 2026

Contact person SpareBank 1 Østlandet: Head of Treasury Cathrine Mordal + 47 480 02 537

This information is subject of the disclosure requirements acc. to §5-12 vphl (Norwegian Securities Trading Act)