MONTHLY RATES / TAUX MENSUELS DES MONNAIES Exchange rates on 30 APRIL 2008 / Taux de change au 30 AVRIL 2008 APPLICABLE FOR THE MONTH OF MAY 2008 / APPLICABLE POUR LE MOIS DE MAI 2008

REGIONAL COUNTRIES / PAYS REGIONAUX

COUNTRY / PAYS CURRENCY / RATE PER UA/ MONNAIES TAUX PAR RAPPORT A L'UC /ALGERIE DZD ALGERIAN 106,395 ANGOLA AON KWANZA 119,704 BOTSWANA BWP PULA 10,3557 BURUNDI BIF 1841,65 CAPE VERDE/CAP VERT CVE ESCUDO 114,684 CFA COUNTRIES/PAYS CFA XAF FRANC CFA 685,409 CFA COUNTRIES/PAYS CFA XOF FRANC CFA 685,409 COMOROS/COMORES KMF COMORIAN 514,057 CONGO DEM REP/REP DEM CONGO CDF Congo Franc 846,589 DJIBOUTI DJF DJIBOUTI FRANC 286,229 /EGYPTE EGP 8,64974 ERITREA/ERYTHREE ERN ERITREA NAKFA 25,2842 ETHIOPIA/ETHIOPIE ETB BIRR 14,5394 GAMBIA/GAMBIE GMD DALASI 32,0049 GHANA GHS CEDI 1,57045 GUINEA/GUINEE GNF FRANC 8283,20 KENYA KES SHILLING 112,564 LSL MALOTI 12,3326 LRD LIBERIAN 98,7656 LIBYA/LIBYE LYD LYBIAN DINAR 1,93237 MADAGASCAR MGA ARIARY 2736,46 MALAWI MWK KWACHA 221,735 MAURITANIA/MAURITANIE MRO OUGUIYA 400,332 MAURITIUS/I.MAURICE MUR RUPEE 42,1203 MOROCCO/MAROC MAD DIRHAM 11,9361 MOZAMBIQUE MZN METICAIS 38,6853 /NAMIBIE NAD 12,3326 NIGERIA NGN NAIRA 188,207 RWANDA RWF RWANDA FRANC 825,393 SAO TOME & PRINCIPE/ STD DOBRA 23322,1 SEYCHELLES SCR RUPEE 12,8060 SIERRA LEONE SLL LEONE 4885,74 SOMALIA/SOMALIE SOS SHILLING 4646,06 /AFRIQUE DU SUD ZAR RAND 12,3326 /SOUDAN SDG 3,33850 SWAZILAND SZL LILANGENI 12,3326 TANZANIA/TANZANIE TZS SHILLING 1869,50 TUNISIA/TUNISIE TND DINAR 1,88920 UGANDA/OUGANDA UGX SHILLING 2784,99 ZAMBIA/ZAMBIE ZMK KWACHA 6041,41 ZWD DOLLAR 391,005 NON-REGIONAL COUNTRIES / PAYS NON-REGIONAUX

ARGENTINA/ARGENTINE ARS PESO 5,13682 AUSTRALY/AUSTRALIE AUD 1,73908 BRAZIL/BRESIL BRL REAL 2,76854 CANADA CAD DOLLAR 1,63920 CHINA/CHINE CNY YUAN 11,3668 DENMARK/DANEMARK DKK KRONE 7,79709 EUROPEAN /EURO EUROPEEN EUR EUROPEAN EURO 1,04490 HONG KONG HKD 12,8033 INDIA/INDE INR RUPEE 65,6983 JAPAN/JAPON JPY YEN 169,003 KOREA/COREE KRW WON 1623,29 KUWAIT/KOWEIT KWD DINAR 0,432575 NZD DOLLAR 2,09628 NORWAY/NORVEGE NOK KRONE 8,33208 SAUDI ARABIA/ARABIE S. SAR RIYAL 6,08917 /SINGAPOUR SGD 2,21143 SWEDEN/SUEDE SEK KRONA 9,75486 SWITZERLAND/SUISSE CHF FRANC 1,68646 U.K./ROYAUME UNI GBP 0,825593 U.S.A/E.U. USD US DOLLAR 1,62378 UNITED ARAB EMIRATES/ AED DIRHAM 5,96335

MONTHLY MOVING AVERAGE RATES / MOYENNE MOBILE MENSUELLE DES TAUX DE CHANGE

AUSTRALY/AUSTRALIE AUD AUSTRALIAN DOLLAR 1,78074 CANADA CAD DOLLAR 1,59932 CFA COUNTRIES/PAYS CFA XOF FRANC CFA 712,722 DENMARK/DANEMARK DKK KRONE 8,09836 EUROPEAN EURO/EURO EUROPEEN EUR EUROPEAN EURO 1,08654 JAPAN/JAPON JPY YEN 176,480 SWEDEN/SUEDE SEK KRONA 10,1395 SWITZERLAND/SUISSE CHF FRANC 1,77851 TUNISIA/TUNISIE TND DINAR 1,94602 U.K./ROYAUME UNI GBP POUND STERLING 0,781738 U.S.A/E.U. USD US DOLLAR 1,57211