POWELL INDUSTRIES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (In thousands) Common Stock Additional  Paid-In  Capital Retained  Earnings Accumulated Other  Comprehensive  Income/(Loss) Total Shares Amount Balance, September 30, 2010 11,677  $ 117 $ 33,569 $ 244,969 $ (1,352)  $ 277,3 0 3 Net loss — — — (2,715) — (2,715) Foreign currency translation adjustments — — — — (19) (19) Exercise of stock options 27 — 495 — — 495 Stock-based compensation 20 — (1,223) — — (1,223) Excess tax benefit from share-based  compensation — — 180 — — 180 Amortization of restricted stock  — — 280 — — 280 Issuance of restricted stock 28 — 1,042 — — 1,042 Unrealized gain on cash flow hedges, net of tax of $94 — — — — 111 111 Postretirement benefit adjustment, net of tax of $60 — — — — (111) (111) Balance, September 30, 2011 11,752  $ 117 $ 34,343 $ 242,254  $ (1,371) $ 275,343 Net income — — — 29,657 — 29,657 Foreign currency translation adjustments — — — — 833 833 Exercise of stock options 98 1 1,798 — — 1,799 Stock-based compensation 7 — 1,004 — — 1,004 Excess tax benefit from share-based  compensation — — 589 — — 589 Amortization of restricted stock — — 135 — — 135 Issuance of restricted stock 74 1 583 — — 584 Retirement of stock (15) — — — — — Postretirement benefit adjustment, net of tax of $20  — — — — 159 159 Balance, September 30, 2012  11,916  $ 119 $ 38,452  $ 271,911  $ (379) $ 310,103 Net income — — — 42,076 — 42,076 Foreign currency translation adjustments — — — — (1,719) (1,719) Stock-based compensation 39 — 2,369 — — 2,369 Excess tax benefit from share-based  compensation — — 277 — — 277 Amortization of restricted stock — — 2,095 — — 2,095 Issuance of restricted stock 17 — — — — — Retirement of stock (1) — — — — — Postretirement benefit adjustment, net of tax of $14 — — — — 25 25 Balance, September 30, 2013 11,971  $ 119 $ 43,193 $ 313,987 $ (2,073) $ 355,226 The accompanying notes are an integral part of these consolidated financial statements. 26