FIRST FINANCIAL BANKSHARES, INC. AND SUBSIDIARIES
Notes to Consolidated Financial Statements
December 31, 2002, 2001 and 2000
F-13
2. CASH AND INVESTMENT SECURITIES:
The amortized cost, estimated fair values, and gross unrealized gains and losses of the Company’s investment
securities as of December 31, 2002 and 2001, are as follows:
                                            December 31, 2002                                         
Gross Gross
Amortized Unrealized Unrealized Estimated
   Cost Basis  Holding Gains Holding Losses   Fair Value 
Securities held-to-maturity:
U.S. Treasury securities and
obligations of U.S. government
corporations and agencies $110,939,173 $ 6,868,716 $        -       $117,807,889
Obligations of state and
political subdivisions 60,835,676 3,214,571 -       64,050,247
Corporate bonds 498,936 41,064      -       540,000
Mortgage-backed securities     28,175,999    1,288,594          (578)    29,464,015
Total debt securities
     held-to-maturity $200,449,784 $11,412,945 $        (578) $211,862,151
Securities available-for-sale:
U.S. Treasury securities and
     obligations of U.S. government
corporations and agencies $164,090,045 $ 7,545,917 $   (16,670) $171,619,292
Obligations of state and
political subdivisions 104,800,319 5,952,505 (12,189) 110,740,635
Corporate bonds 49,234,116 2,577,468 -       51,811,584
Mortgage-backed securities    228,489,406  4,066,253  (449,560)   232,106,099
Total debt securities
     available-for-sale   546,613,886 20,142,143 (478,419) 566,277,610
Other securities       5,453,100          75,919         -            5,529,019
Total securities available-for-sale $552,066,986 $20,218,062 $(478,419) $571,806,629