Exhibit 99.3 Attachment 2 SECOND QUARTER PER SHARE RESULTS WESTERN RESOURCES, INC. Earnings(1) Adj. Earnings(3) Cash Flow(4) Quarter Ended June 30, 1999 1998 1999 1998 1999 1998 Utility(2) $0.32 $0.48 $0.41 $0.56 $0.95 $1.09 ONEOK 0.12 0.12 0.12 0.12 0.12 0.12 Protection One (0.09) (0.07) 0.00 0.02 0.48 0.30 Other (Net of Interest on Unallocated Debt) (0.13) (0.18) (0.14) (0.18) (0.13) (0.17) Earnings Before Non-Operating COLI and Non-Recurring Events $0.22 $0.35 $0.39 $0.52 $1.42 $1.34 Non-Operating COLI (0.02) 0.08 (0.02) 0.08 (0.02) 0.08 Non-Recurring Events: Western Resources 0.07 (0.08) 0.07 (0.08) 0.07 (0.08) Protection One 0.00 0.10 0.00 0.10 0.00 0.10 Total Earnings per Share $0.27 $0.45 $0.44 $0.62 $1.47 $1.44 (1) Line of business reporting does not reflect intercompany eliminations. (2) Interest expense is allocated on $1.9 billion of debt. (3) Earnings + goodwill. (4) Earnings + depreciation and amortization.