IBIDEN Added to Constituents of the Nikkei Stock Average（Nikkei 225）

IBIDEN Co., Ltd. (Head Office: Ogaki City, Gifu Prefecture; President: Koji Kawashima) announces that its addition to the constituents of the Nikkei Stock Average (Nikkei 225).

IBIDEN was added according to the constituent selection rules of Nikkei Inc. Calculation of the Nikkei Stock Average is set to be on November 5, 2025.

For details regarding this matter, please refer to the following press release from Nikkei Inc.
Change to the Nikkei Stock Average

[Contact]

Fumiyasu Yoshikawa, Takashi Yamamoto
Public Relations & ESG Group
Strategic Corporate Planning Division

Tel ： +81-584-81-2591