pre_text: item 12 . security ownership of certain beneficial owners and management and related stockholder matters information as to the number of shares of our equity securities beneficially owned by each of our directors and nominees for director , our named executive officers , our directors and executive officers as a group , and certain beneficial owners is set forth in the security ownership of certain beneficial owners and management segment of the proxy statement and is incorporated herein by reference . the following table summarizes the equity compensation plans under which union pacific corporation common stock may be issued as of december 31 , 2008 . number of securities to be issued upon exercise of outstanding options , warrants and rights weighted-average exercise price of outstanding options , warrants and rights number of securities remaining available for future issuance under equity compensation plans ( excluding securities reflected in column ( a ) ) plan category ( a ) ( b ) ( c ) equity compensation plans approved by security holders 13477830 [1] $ 40.81 [2] 36961123 .
post_text: [1] includes 1494925 retention units that do not have an exercise price . does not include 1419554 retention shares that are actually issued and outstanding . [2] does not include the retention units or retention shares described above in footnote [1] . item 13 . certain relationships and related transactions and director independence information on related transactions is set forth in the certain relationships and related transactions and compensation committee interlocks and insider participation segments of the proxy statement and is incorporated herein by reference . we do not have any relationship with any outside third party that would enable such a party to negotiate terms of a material transaction that may not be available to , or available from , other parties on an arm 2019s-length basis . information regarding the independence of our directors is set forth in the director independence segment of the proxy statement and is incorporated herein by reference . item 14 . principal accountant fees and services information concerning the fees billed by our independent registered public accounting firm and the nature of services comprising the fees for each of the two most recent fiscal years in each of the following categories : ( i ) audit fees , ( ii ) audit-related fees , ( iii ) tax fees , and ( iv ) all other fees , is set forth in the independent registered public accounting firm 2019s fees and services segment of the proxy statement and is incorporated herein by reference . information concerning our audit committee 2019s policies and procedures pertaining to pre-approval of audit and non-audit services rendered by our independent registered public accounting firm is set forth in the audit committee segment of the proxy statement and is incorporated herein by reference. .
table: <i>Plan Category</i> <i>Number of securitiesto be issued uponexercise ofoutstanding options,warrantsand rights(a)</i> <i>Weighted-averageexercise price ofoutstanding options,warrants and rights(b)</i> <i>Number ofsecuritiesremaining available forfuture issuance underequity compensationplans (excludingsecurities reflected incolumn (a))</i><i>(c)</i>
table: Equity compensation plans approved by security holders 13,477,830 [1] $ 40.81 [2] 36,961,123
table: Total 13,477,830 $ 40.81 36,961,123
question: Analyse this data from a financial earnings document. as of december 31 , 2008 what was the percent of the number of securities to be issued upon exercise of outstanding options warrants and rights that did not have an exercise price