X0609 4 2026-08-11 0001409375 ORION ENERGY SYSTEMS, INC. OESX 0001498395 Washlow Sally A. false 2210 WOODLAND DRIVE MANITOWOC WI 54220 true true false false Chief Executive Officer false Common Stock 2026-08-11 4 A false 12000 0 A 61259 D Common Stock 100 I By Spouse Stock Options (right to buy) 19.75 2026-08-11 4 A false 25000 0 A 2036-08-11 Common Stock 25000 25000 D Stock Options (right to buy) 6 2035-07-17 Common Stock 50000 50000 D Restricted stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan, as amended and restated. 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. Option to buy shares of common stock granted to the reporting person under the Orion Energy Systems, Inc. 2016 Omnibus Incentive Plan, as amended and restated. 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 Ms. Washlow remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date. This option becomes exercisable as follows: (i) the portion of the stock option exercisable for one-half of the option shares (25,000 shares) will vest in three equal increments on each of the first three anniversaries of the grant date of July 18, 2025, provided Ms. Washlow remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date, and (ii) the second one-half of the grant (25,000 shares) will vest, 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 Ms. Washlow remains in Orion Energy Systems, Inc.'s employment until the applicable vesting date. /s/ Garrett F. Bishop, Attorney-in-Fact for Sally A. Washlow 2026-08-12