<str<strong>on</strong>g>Policy</str<strong>on</strong>g> <strong>on</strong> N<strong>on</strong>-<strong>Public</strong> Informati<strong>on</strong> <strong>and</strong> <strong>Trad<strong>in</strong>g</strong> <strong>in</strong> <strong>USA</strong>K <strong>Stock</strong>December 7, 2011D. No Short-Sales or Similar ActivitiesThere should be no short sales of <strong>USA</strong>K <strong>Stock</strong>, no purchase of <strong>USA</strong>K <strong>Stock</strong> <strong>on</strong> marg<strong>in</strong>, <strong>and</strong> no buy<strong>in</strong>g orsell<strong>in</strong>g of puts <strong>and</strong> opti<strong>on</strong>s by Registered Employees <strong>on</strong>ly.E. Rule 144Directors, officers, <strong>and</strong> shareholders of 10% or more of the outst<strong>and</strong><strong>in</strong>g shares of <strong>USA</strong>K <strong>Stock</strong> arepresumed to be subject to Securities Act Rule 144. This Rule allows public resale of restricted <strong>and</strong>c<strong>on</strong>trol securities if a number of c<strong>on</strong>diti<strong>on</strong>s are met, <strong>in</strong>clud<strong>in</strong>g, but not limited to, specified periodsregard<strong>in</strong>g how l<strong>on</strong>g the securities are held, the way <strong>in</strong> which they are sold, <strong>and</strong> the amount that can besold at any <strong>on</strong>e time. When such a sale is c<strong>on</strong>templated, an SEC Form 144 must be filed as notice of aproposed sale of restricted securities when such sale is be<strong>in</strong>g made <strong>in</strong> reliance <strong>on</strong> Rule 144.A notice must be filed with the SEC <strong>on</strong> Form 144 if the sale <strong>in</strong>volves more than 5,000 shares or theaggregate dollar amount sold has a value of greater than $50,000 <strong>in</strong> any three-m<strong>on</strong>th period. The salemust take place with<strong>in</strong> three m<strong>on</strong>ths of fil<strong>in</strong>g the Form or, if not sold, an amended Form 144 must befiled.F. Secti<strong>on</strong> 16Secti<strong>on</strong> 16(b) prohibits directors, officers, <strong>and</strong> shareholders of 10% or more of <strong>USA</strong>K <strong>Stock</strong> from buy<strong>in</strong>gany <strong>USA</strong>K <strong>Stock</strong> with<strong>in</strong> 6 m<strong>on</strong>ths after a sale, or sell<strong>in</strong>g any <strong>USA</strong>K <strong>Stock</strong> with<strong>in</strong> 6 m<strong>on</strong>ths after apurchase (except that purchases under the ESPP <strong>and</strong> exercises of stock opti<strong>on</strong>s are permissible, <strong>in</strong> asmuch as they are exempt from this rule.) Secti<strong>on</strong> 16(b) is an absolute rule <strong>and</strong> it applies whether ornot the w<strong>in</strong>dow is open <strong>and</strong> whether or not you actually possess any <strong>in</strong>side <strong>in</strong>formati<strong>on</strong>.G. C<strong>on</strong>sequences of N<strong>on</strong>-ComplianceFailure to observe the policies <strong>and</strong> procedures set forth <strong>in</strong> this <str<strong>on</strong>g>Policy</str<strong>on</strong>g> could lead to severe adversec<strong>on</strong>sequences for the Company <strong>and</strong> for you, <strong>in</strong>clud<strong>in</strong>g term<strong>in</strong>ati<strong>on</strong> of your employment, crim<strong>in</strong>alsancti<strong>on</strong>s (<strong>in</strong>clud<strong>in</strong>g impris<strong>on</strong>ment), m<strong>on</strong>etary f<strong>in</strong>es <strong>and</strong> penalties to you (<strong>in</strong> amounts up to three times theprofit ga<strong>in</strong>ed or loss avoided), <strong>in</strong>juncti<strong>on</strong>s, civil f<strong>in</strong>es to the Company (up to the greater of $1 milli<strong>on</strong> orthree times the profit ga<strong>in</strong>ed or loss avoided), <strong>and</strong> suspensi<strong>on</strong> of trad<strong>in</strong>g <strong>in</strong> <strong>USA</strong>K <strong>Stock</strong>. Further, anyappearance of <strong>in</strong>sider trad<strong>in</strong>g impropriety could impair <strong>in</strong>vestor c<strong>on</strong>fidence <strong>in</strong> the Company.The Compliance Officer will be resp<strong>on</strong>sible for mak<strong>in</strong>g determ<strong>in</strong>ati<strong>on</strong>s <strong>on</strong> a case-by-case basis of whetherthe policies <strong>and</strong> procedures set forth <strong>in</strong> this <str<strong>on</strong>g>Policy</str<strong>on</strong>g> have been violated <strong>and</strong>, if so, the appropriate acti<strong>on</strong> tobe taken by the Company <strong>in</strong> resp<strong>on</strong>se. Sancti<strong>on</strong>s for violati<strong>on</strong>s of the policies <strong>and</strong> procedures may<strong>in</strong>clude whatever appropriate acti<strong>on</strong> the Compliance Officer deems advisable, <strong>in</strong>clud<strong>in</strong>g immediateterm<strong>in</strong>ati<strong>on</strong> of employment or other appropriate discipl<strong>in</strong>ary acti<strong>on</strong>. The determ<strong>in</strong>ati<strong>on</strong>s of theCompliance Officer will be f<strong>in</strong>al <strong>and</strong> not subject to further review.6
<str<strong>on</strong>g>Policy</str<strong>on</strong>g> <strong>on</strong> N<strong>on</strong>-<strong>Public</strong> Informati<strong>on</strong> <strong>and</strong> <strong>Trad<strong>in</strong>g</strong> <strong>in</strong> <strong>USA</strong>K <strong>Stock</strong>December 7, 2011Restricted EmployeesAppendix 1Each member of the Company’s Board of Directors (<strong>in</strong>clud<strong>in</strong>g n<strong>on</strong>-employees).Each employee of the Company (<strong>in</strong>clud<strong>in</strong>g any of its subsidiaries) hav<strong>in</strong>g any of the follow<strong>in</strong>gtitles:oooooooooooooChairman of the Board of DirectorsChief Executive OfficerPresidentChief F<strong>in</strong>ancial OfficerChief Operat<strong>in</strong>g OfficerGeneral CounselChief Account<strong>in</strong>g OfficerChief Adm<strong>in</strong>istrative OfficerExecutive Vice PresidentSenior Vice PresidentVice PresidentC<strong>on</strong>trollerTreasurerThe pr<strong>in</strong>cipal account<strong>in</strong>g/f<strong>in</strong>ance employees of the Company (<strong>in</strong>clud<strong>in</strong>g any of its subsidiaries).Each other employee who is notified by the Compliance Officer that he/she is a RestrictedEmployee either because they have access to m<strong>on</strong>thly or quarterly f<strong>in</strong>ancial or key operat<strong>in</strong>g dataor obta<strong>in</strong>s such <strong>in</strong>formati<strong>on</strong>, either <strong>on</strong> a regular basis or <strong>in</strong> an <strong>in</strong>dividual <strong>in</strong>stance.7