X0609 4 2026-08-11 0001409375 ORION ENERGY SYSTEMS, INC. OESX 0001184632 BRODIN J PER false 2210 WOODLAND DRIVE MANITOWOC WI 54220 false true false false EVP, CFO, CAO & Treasurer false Common Stock 2026-08-11 4 A false 9000 0 A 85263 D Stock Options (right to buy) 19.75 2026-08-11 4 A false 17500 0 A 2036-08-11 Common Stock 17500 17500 D Stock Options (right to buy) 6 2035-07-17 Common Stock 12500 12500 D Restricted stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. The restricted stock vests and becomes exercisable with respect to 1/3 of the restricted stock on each of August 11, 2027, 2028 and 2029, respectively. The amount of common stock beneficially owned by reporting person has been adjusted to reflect the forfeiture of 16,548 performance shares for which performance conditions were not met. Option to buy shares of common stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. This option was granted August 11, 2026 and becomes exercisable, if at all, in three equal increments if the average closing sale price of Orion Energy Systems, Inc.'s common stock, for five consecutive trading days during the three calendar years immediately following the date of the grant, equals or exceeds $30.00, $40.00 and $50.00, respectively, provided Mr. Brodin remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date. Option to buy shares of common stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan. This option was granted July 18, 2025 and becomes exercisable, if at all, in three equal increments if the average closing sale price of Orion Energy Systems, Inc.'s common stock, for five consecutive trading days during the three calendar years immediately following the date of the grant, equals or exceeds $30.00, $40.00 and $50.00, respectively, provided Mr. Brodin remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date. /s/ Garrett F. Bishop, Attorney-in-Fact for J. Per Brodin 2026-08-12