By Laura Contemori – ROME (Econostream) – German state-owned development bank KfW on Thursday tapped its 4.250% February 2030 green bond for £300 million.

The tap increased the outstanding size of the issue to £800 million from £500 million.

The bond was reoffered at 99.999, corresponding to a semi-annual yield of 4.200% and an annual yield of 4.244%.

The spread was set at 25bp over SONIA mid-swaps, while the bond was priced 0.6bp over the 4⅜% UK Treasury gilt due March 2030.

The bond carries a 4.250% annual coupon and matures on February 15, 2030.

Settlement is scheduled for July 2, 2026.

KfW is rated Aaa by Moody’s, AAA by S&P and AAA by Scope, all with stable outlooks. The bond is guaranteed by the Federal Republic of Germany.

KfW will use an amount equal to the proceeds to finance new eligible green projects under its “Green Bonds, Made by KfW” framework.

Santander and UBS acted as lead managers.