GLEIF LEI · Issued securities

ISINs issued by FIRSTENERGY CORP.

LEI 549300SVYJS666PQJH88 · 14 ISINs linked to this LEI in GLEIF's ISIN-to-LEI file.

ISINs

ISIN	Prefix	Edition
`US3379321074`	US	1-of-1 edition
`US3379322064`	US	1-of-1 edition
`US3379323054`	US	1-of-1 edition
`US3379324045`	US	1-of-1 edition
`US337932AC13`	US	1-of-1 edition
`US337932AH00`	US	1-of-1 edition
`US337932AJ65`	US	1-of-1 edition
`US337932AL12`	US	1-of-1 edition
`US337932AM94`	US	1-of-1 edition
`US337932AP26`	US	1-of-1 edition
`US337932AS64`	US	1-of-1 edition
`US337932AT48`	US	1-of-1 edition
`US337932AU11`	US	1-of-1 edition
`US337932AV93`	US	1-of-1 edition

Verbatim rows from GLEIF's ISIN-to-LEI relationship file (CC0) — the ANNA/GLEIF-published issuer correspondence, not an inference. Identity links only; no valuation is stated or implied. Complete refresh: 2026-11-13. Machine read: JSON.