I E. TURK STANDARDLARI ENSTiTUSU TURKISH STANDARDS INSTITUTION

I E THE 16429 Partner of ~~~~ INTERNATIONAL CERTIFICATION NETWORK TURK STANDARDLARI ENSTITOSO bu beige ile TURKISH STANDARS INSTITUTION hereby certifies that the organization BTiMADENi~LETMELERiGBNELMOnii'RLOGO MBRKBZ:AYVAIJMAH.HAilLSBZA!ERKUTCAD.AFRASK.NO: 1/ A 06010 ETLIK I<E<;IOREN I ANLUA ~LETME 1' BTIMADENI~TMBLBRIIIANDIRMABOR VEAS!TPABiltXALA1UI~TMEM1lD0RLO<l0 10219 BANDIRMA / BALIKES!R I~TMEl, ETI MADEN ~LETMELERI KIRKA BORI~.MOD. 29970 SEYITGAZ! KIRKA/ BS~ I~TME 3 ' ETIMADEN ~LETMELERIEMET BORI~. M1lD. 43700 BMET /KOTAHYA I~TME 4, BTl MADEN ~L. BIGADI~ BORI~. M1lD.10441 BIGADI<; I BALIKES!R Wj!STIKMODORlOKLBR!, BTIMAD.I~.IzM!RJOj!STIKMOD.HALITziYABUL.NO, 1/5 35210 KONAK / IzMIR BTIMAD.I~L.!sTANBULJOj!STIKMOD.ATATORKBULVARINO, 40 34134AKSARAY /ISTANBUL BTl MAD.I~.IIANDIRMAJOJisTIKMOD. 10219/IIANDIRMA BALIKBSIR/ TORKIYE kurulu unun TS EN ISO 9001:2008 artlanna uygun bir KALiTE YONETiM SiSTEMiNE sabip oldugunu onaylar. B T1 MADEN I$LETMELERI GENBL MODOR10(l0 MBRKBZ: AYVALI MAH.HAL1LSBZAfBRKUTCAD. AFRASK.NO: 1/ A 06010BTLIKI<E<;IOREN I ANLUA ~LETME!, ETIMADENI~TMELERIIIANDIRMABORVEASITPABiltXALAlUI$LETMEMOIIOR10(l0 10219 RAND IRMA I BALli<IlSIR I$LETME2, BTIMADENI$LETMELERIKIRKA BOR~L.M1lD. 29970 SEYITGAZI KlRKA I BSK!~ ~LETME 3' ETIMADENI$LETMELERIEMET BOR~L. M1lD. 43700 EMET /KOTAHYA I$LETME4' BTl MADEN~ BIGADI~ BORI$L. M1lD. 10441 BIGADI<; I BAL!KllS!R W]ISTIKMODORLOKLBR!, BTI MAD. I~L. IZMIRJOJISTIKMOD. HALITZIYABUL.NO, 1/ 5 35210 KONAK / IzMIR BTl MAD. I~L. ISTANBULJOJISTIKM0D. ATAT0RKBULVARI NO, 40 34134AKSARAY / IsTANBUL BTl MAD. I~. IIANDIRMAJOJisTIKMOD. 10219 / IIANDIRMA RALIKl!S!R I TihUd:YE has an QUALITY MANAGEMENT SYSTEM which fulfills the requirements of the TS EN ISO 9001:2008 Beige kapsam1 Ek'te verilmi tir Ankara Belgelendirme Miidiirii Ankara Certification Director Ayhan TiiRKEL TURK STANDARDLARI ENSTiTUSU TURKISH STANDARDS INSTITUTION Scope of the certificate is given in annex Beige No /Certificate No KY4007 05/1 0R Beige Tarihi I Date of Certificate 27.06.2013 Ge~rlilik Tarihi I Valid Until 27.06.2016 Revlzyon Tarihl/ Date of Revision 27.06.2013 Turk Standartlan Enstitusu Turk Akreditasyon Kurumu TORKAK tarafmdan akredite edilmi tir. Turkish Standards Institution, has been accredited by the Turkish Accreditation Agency TORKAK. Bu beige, belgelendirme ~artlanna uygunluk saglandiqi siirece ge<;erlidir. This certificate is valid provided that compliance with the certification requirement is maintained

16770 Partner of Beige No I Certificate No: KY400705/10R Beige Tarihi I Date of Certificate: 17/06/1013 Belgeli Kurulu Ad1, Adresi Name and Address of the certified organization Beige Kapsam1: TS EN ISO 9001:2008 MADENLERiN URETiM PLANLAMASI, ARA~TIRMA, GELi~TiRME, PAZARLAMA VE SATI~ HiZMETLERi SUNUMU TUVENAN, KONSANTRE BOR, BOR KiMYASALLARI VE SULFURiK AS it URETiMi ETi MADEN i~letmeleri GENELMilDiiRLUGU MERKEZ: AYVALIMAH. HALiL SEZAi ERKUT CAD. AFRA SK. NO: 1IA 06010 ETLIK KEc;:lOREN I ANKARA i$letme 1: ETi MADEN i~letmeleri BANDIRMABOR VEASiT FABRiKALARI ~LETME MilDiiRLUGU 10219 BANDIRMA I BALIKESIR i~letme 2: ETi MADEN i~letmeleri KIRKABORi~L. MUD. 29970 SEYITGAZi KIRKA I ESKI~EHIR i~letme 3: ETi MADEN i~letmeleri EMET BORi~L. MUD. 43700 EMET I KiiTAHYA l~letme 4: ETi MADEN l~l. BlGADlc;: BORl~L. MilD.10441 BlGADlc;: I BALIKESlR LOJiSTIK MilDiiRLiiRLERi : BTl MAD. ~.lzmtrjoj1s11kmijd. HALIT zi A BUL. NO: 115 35210 KONAK llzmir. ETi MAD. ~L. istanbuljojistikmild. ATATURKBULVARI NO : 40 34134AKSARAY I ISTANBUL BTl MAD.~. BANDIRMAJOJlsTIKMiJD. 102191 BANDIRMA BALIKESIR I TiiRKiYE Scope of the Certificate: TS EN ISO 9001:2008 DELIVERY OF PRODUCTION,PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID

... THE INTERNATIONAL CERTIFICATION NElWORK CERTIFICATE IQNet and TSE hereby certify that the organization ETi MADEN il;lletmeleri GENEL M0D0RL0G0 MERKEZ: AYVALI MAH. HALIL SEZAI ERKUT CAD. AFRA SOK. N0:11A 06010 ETLIK KECIOREN I ANKARA I$LETME1 : ETI MADEN I$LETMELERI BANDIRMA BOR VE ASIT FABRIKALARI I$LETME M0D0RL0G0 10219 BAND IRMA I BALIKESIR i$letme2 :ETI MADEN I$LETMELERI KIRKA BOR i$l T. MOD., 29970 SEYITGAZI KIRKA I ESKi$EHiR I$LETME3:ETI MADEN i$letmeleri EMET BOR I$L. M0D.43700 EMET I K0TAHYA I$LETME4:ETI MAD.I$L. BIGADIC BOR I$L. M0D.10441B igadicibalikesir LOJISTIK M0D0RL0KLERi; ETI MAD.I$L T. izmir LOJISTIK MOD:HALIT ZIYA BUL. N0:115 35210 KONAK IIZMIR ETI MAD.I$LT. istanbul LOJISTIK MOD: ATAT0RK BUL. N0:40 34134 AKSARAY I istanbul ETI MAD.I$LT. BAND IRMA LOJISTIK MOD: 10219 BAND IRMA I BALIKESiR I TORKIYE has implemented and maintains a QUALITY MANAGEMENT SYSTEM which fulfills the requirements of the following standard TS EN ISO 900_1 :2008 Scope of the certificate is given in annex. Date of Revision: 27062013 Date of Certificate: 27062013 Valid Until: 27062016 Registration Number : TRKY 40070!~ c;?~ R Michael Drechsel President of I Q Net Head of Certification Center lqnet Partoers*: AENOR Spain AFNOR Certification France AlBVincotte International Belgium ANCESIGE Mexico APCER Portugal CISQ Italy CQC China CQM China CQS Czech Republic Cro Cert Croatia DQS Holding GmbH Germanu DS Denmark FCAV Brazil FONDONORMA Venezuela ICONTEC Colombia IMNC Mexico INNORPI Tunisia Inspecta Certification Finland!RAM Argentina JQA Japan KFQ Korea MIRTEC Greece MSZT Hungary Nemko AS Nonvay NSAI Ireland PCBC Poland Quality Austria Austria RR Russia Sll lsrael SIQ Slovenia SIRIM QAS International Malaysia SQS Switzerland SRAC Romania TEST St Petersburg Russia TSE Turkey YUQS Serbia IQNet is represented in the USA by: AFNOR Certification, CISQ, DQS Holding GmbH and NSAI Inc. The list of!qnet partoers is valid at the time of issue of this certificate. Updated information is available under www.iqnetcertification.com

... Annex to IQNET Certificate Number :TRKY400705/ 10R N arne and Address of the certified organization ETi MADEN i$letmeleri GENEL M0D0RL0G0 MERKEZ: AYVALI MAH. HALiL SEZAi ERKUT CAD. AFRA SOK. N0:11A 06010 ETLiK KE<;iOREN I ANKARA i$letme1 : ETi MADEN i$letmeleri BANDIRMA BOR VE ASiT FABRiKALARI i$letme M0D0RL0G0 10219 BAND IRMA I BALIKESiR i$letme2:eti MADEN i$letmeleri KIRKA BOR i$l T.MOD. 29970 SEYiTGAZi KIRKA I ESKi$EHiR i$letme3:eti MADEN i$letmeleri EMET BOR i$l. M0D.43700 EMET I KOTAHYA i$letme4:eti MAD.i$L. BiGADi(:: BOR i$l. M0D.10441BiGADi(::IBALIKESiR LOJiSTiK M0D0RL0KLERi; ETi MAD.i$L T. izmir LOJiSTiK MOD:HALiT ZiYA BUL. N0:115 35210 KONAK lizmir ETi MAD.i$LT. ista~bul LOJiSTiK MOD: ATATORK BUL. N0:40 34134 AKSARAY I istanbul ETi MAD.i$L T. BANDIRMA LOJiSTiK MOD: 10219 BANDIRMA I BALIKESiR I TORKiYE Scope of the Certificate DELIVERY OF PRODUCTION, PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID This annex is only valid in connection with the abovementioned certificate <8> TURKISH STANDARDS INSTITUTION ~

01683 TSE il SAGLIGI ve GUVENLiii YONETiM SiSTEMi BELGESi OCCUPATIONAL HEALTH AID SAFETY MAIAIEMEIT SYSTEM CERTIFICATE Partner of ~~~~ TURK STANDARDLARI ENSTITOSO bu beige ile TURKISH STANDARDS INSTITUTION hereby certifies that the organization BTiMADENi~LETMELBRiGBNELM"Onii'RLUGU MBRKBZ:AYVAIJMAH.HALlLSBZA.lERKUTCAD.APRASK.NO: 1/A 06010ETLIK I<Bc;IOREN I ANIWtA cyletme 1' BTIMADENI~TMBLBRIBANDIRMABOR VEAS!TPABRIKALAIUI~TMEM1lD0RLO<l0 10219 BAND IRMA I BALIKES!R I~TME2' ETIMADENcyLETMELERIKIRKABORI~.M1lD. 29970 SEYITGAZ! KIRKA/ BS~ I~TME3 ' ETIMADENcyLETMELERIEMETBORI~. M1lD.43700 BMET /l<otahya I~TME4, BTl MADEN cyl. BIGADI~ BORI~. M1lD.10441 BIGADI<; I BALIKES!R WjiSTIKMODORlOKLBRI, BTIMAD.I~.IzM!RJOJISTIKMOD.HAL!TziYABUL.NO, 1/5 35210 KONAK/IzMIR BTIMAD.I~L.!sTANBULJOjiSTIKM0D.ATAT0RKBULVARINO '40 34134AI<SARAY /ISTANBUL BTl MAD.!~. BANDIRMAJOJisT!K MOD. 10219/ BAND IRMA BAUKBSIR/ TORKIYE kurulu unun TS 18001:2008 artlanna uygun bir i~ SAGLIGI ve GUVENLiGi YONETiM SiSTEMiNE sahip oldugunu onaylar. B T1 MADEN I$LETMELERI GENBL MODOR10(l0 MBRKBZ:AYVALIMAH.HAL1LSBZAlBRKUTCAD. AFRASK.NO: 1/A 06010BTLIK KB~IOREN I ANIWtA I$LETME!,ETIMADENI~TMELERIBANDIRMABORVEASITPABRIKALAIUI$LETMEMODOR10(l0 10219 BAND IRMA I BALli<BSIR I$LETME2, BTIMADENI$LETMELERIKIRKABORI$L.M1lD. 29970 SEYITGAZI KIRKA I BSK!~ I$LETME3' ETIMADBNI$LETMELERIEMETBORI$L. M1lD.43700 EMET /KOTAHYA I$LETME4' BTIMADENI$J. BIGADI~ BORI$L. M1lD. 10441 BIGADI<; I BAL!KllS!R W]ISTIKMODORLOKLBRI, BTIMAD. I~L. IZMIRJOJIST!KMOD. HALITZIYABUL.NO, 1/5 35210 KONAK / IzMIR BTl MAD. I~L. ISTANBULJOJISTIKM0D. ATAT0RKBULVARI NO, 40 34134AI<SARAY / IsTANBUL BTl MAD.!~. BANDIRMAJOJisTIKMOD. 10219 / BAND IRMA BAUKBS!R/ TihUd:YE has an OCCUPATIONAL HEALTH and SAFETY MANAGEMENT SYSTEM which fulfills the requirements of the TS 18001:2008 Beige kapsam1 Ek'te verilmi tir Ankara Belgelendirme Miidiirii Ankara Certification Director Ayhan TOR:KEL TURK STANDARDLARI ENSTiTUSU TURKISH STANDARDS INSTITUTION Scope of the certificate is given in annex Beige No /Certificate No OY728/13 Beige Tarlhl/ Date of Certificate 01.07.2013 Ge~rlilik Tarihi I Valid Until 01.07.2016 Revlzyon Tarlhl/ Date of Revision 01.07.2013 Bu beige, Turk Slandartlan Enstitusu'nun kurulu u hakkmdaki 132 sa}'lh kanun uyannca verilmi tir. This certificate is issued in accordance with the law No. 132 establishing Turkish Standards lnstimion. Bu beige, belgelendirme ~artlanna uygunluk saglandiqi siirece ge<;erlidir. This certificate is valid provided that compliance with the certification requirement is maintained

01732 TSE Partner of il SAGLIGI ve GiiVENLili YiiNETiM SiSTEMi BELGESi OCCUPATIOIAL HEALTH AID SAFEn MAIAGEMEIT SYSTEM CERTIFICATE El/ AIIEI Beige No I Certificate No: OY728/13 Belgeli Kurulu~ Ad1, Adresi Name and Address of the certified organization Beige Kapsam1: TS 18001:2008 MADENLERiN URETiM PLANLAMASI, ARA~TIRMA, GELi~TiRME, P AZARLAMA VE SATI~ HiZMETLERi SUNUMU TUVENAN, KONSANTRE BO~ BOR KiMYASALLARI VE SULFURiK AS it URETiMi Beige Tarihi I Date of Certificate 01/07/2013 ETi MADEN I~LETMELERi GENELMOD"ORL()G() MERKEZ, AYVALIMAH. HALiL SEZAiERKUT CAD.AFRASK. NO, 1IA 06010 ETLIKKEc;:IOREN I ANKARA i~letme 1, ETi MADEN i~letmeleri BANDIRMABOR VEASiT FABRiKALARI i~letme MOD"ORL()()() 10219 BANDIRMA I BALIKESIR i~letme 2' ETi MADEN i~letmeleri KlRKABORi~L. MOD. 29970 SEYITGAZI K1RKA I ESKI~EHIR i~letme 3' ETi MADEN i~letmeleri EMET BORi~L. MOD. 43700 EMET I KiiTAHYA I~LETME 4' ETi MADEN I~L. BIGAD!c;: BORI~L. M0D.10441 BlGADlc;: I BALIKESIR LOJISTIR MODORLORLERi, ETi MAD. i~l. izmirjojistirmod. HALiT ZiYABUL. NO' 115 35210 KONAK I izmir ETiMAD.l~L.1sTANBULJOJISTiKM0D.ATAT0RKBULVARINO, 40 34134AKSARAY I istanbul ETi MAD. i~l. BANDIRMAJOJiSTiRMOD. 10219 I BANDIRMA BALIKESIR I TORKiYE Scope of the Certificate: TS 18001:2008 DELIVERY OF PRODUCTION,PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CON CENTRA TED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID

... THE INTERNATIONAL CERTIFICATION NE1WORK CERTIFICATE IQNet and TSE hereby certify that the organization ETi MADEN i$letmeleri GENEL M0D0RL0G0 MERKEZ: AYVALI MAH. HALIL SEZAI ERKUT CAD. AFRA SOK. N0:11A 06010 ETLIK KECi0REN I ANKARA I$LETME1 : ETi MADEN i$letmeleri BANDIRMA BOR VE ASIT FABRiKALARd$LETME M000RL0~0 10219 BANDIRMA I BALIKESIR 1$LETME2:ETI MADEN 1$LETMELERI KIRKA BOR i$lt.m00. 29970 SEYiTGAZI KIRKA I ESKI$EHIR 1$LETME..J:ETi MADEN i$letmeleri EMET BOR I$L. M00.43700 EMET I K0TAHYA 1$LETME4:ETI MAO.I$L. BIGADIC BOR 1$L. M00. 10441BiGADICIBALIKESI~ LOJISTIK M000RL01<,LERi; Ell MAO.I$L T. IZMIR LOJISTIK MOO:HALIT ZIYA BUL N0:1/5 35210 KONAKIIZMiR ETI MAD.l$LT. ISTANBULLOJiSTIK MOD: ATAT0RK BUL. N0:40 34134 AKSARAY I istanbul ETI MAD.i$LT. BANOIRMA LOJISTIK MOD: 10219 BANOIRMAI BALIKESIR I TORKIYE has implemented and maintains an OCCUPATIONAL HEALTH and SAFETY MANAGEMENT SYSTEM which fulfills the requirements of the following standard!~!~~ TS 18001 :2008 Scope of the certificate is given in annex. Date of Revision: 01072013 Date of Certificate: 01072013 Valid Until: 01072016 Registration Number: TROY 7 Michael Drechsel President of IQNet Head of Certification Center IQNet Partners*: AENOR Spain AFNOR Certification Prance AIBVin.;otte International Belgium ANCESIGE Mexico APCER Portugal CISQ Italy CQC China CQM China CQS Czech Republic Cro Cert Croatia DQS Holding GmbH Germany DS Denmark FCAV Brazil FONDONORMA Venezuela ICONTEC Colombia IM NC Mexico INNORPI Tunisia Inspecta Certification Finland!RAM Argentina JQA Japan KFQ Korea MIRTEC Greece MSZT Hungary Nemko AS Norway NSAI Ireland PCBC Poland Quality Austria Austria RR Russia SII Israel SIQ Slovenia SIRIM QAS International Malaysia SQS Switzerland SRAC Romania TEST St Petersburg Russia TSE Turkey YUQS Serbia IQNet is represented in the USA by: AFNOR Certification, CISQ, DQS Holding GmbH and NSAI Inc. *The list of IQNet partners is valid at the time of issue of this certificate. Updated information is available under www.iqnetcertification.com

Annex to IQNET Certificate Number :TROY728/ 13 N arne and Address of the certified organization ETi MADEN i$letmeleri GENEL M0D0RL0G0 MERKEZ: AYVALI MAH. HALiL SEZAi ERKUT CAD. AFRA SOK. N0:11A 06010 ETLiK KECiOREN I ANKARA i$letme1 : ETi MADEN i$letmeleri BANDIRMA BOR VE ASiT FABRiKALARI i$letme M0D0RL0G0 10219 BANDIRMA I BALIKESiR i$letme2:eti MADEN i$letmeleri KIRKA BOR i$l T.MOD. 29970 SEYiTGAZi KIRKA I ESKi$EHiR i$letme3:eti MADEN i$letmeleri EMET BOR i$l. M0D.43700 EMET I K\JTAHYA i$letme4:eti MAD.i$L. BiGADiC BOR i$l. M0D.10441BiGADiCIBALIKESiR LOJiSTiK MODORLOKLERi; ETi MAD.i$L T. izmir LOJiSTiK MOD:HALiT ZiYA BUL. N0:115 35210 KONAK lizmir ETi MAD.i$L T. istanbul LOJiSTiK MUD: ATATORK BUL. N0:40 34134 AKSARAY I istanbul ETi MAD.i$L T.. BANDIRMA LOJiSTiK MOD: 10219 BANDIRMA I BALIKESiR I TORKiYE Scope of the Certificate DELIVERY OF PRODUCTION, PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID This annex is only valid in connection with the abovementioned certificate 0k. <$> TURKISH STANDARDS INSTITUTION <fd)

063 TSE ETI is E BE AN E E IC IE THE Partner of I I (~:Net ** INTERNATIONAL CERTIFICATION NETWORK TURK STANDARDLARI ENSTITOSO bu beige ile TURKISH STANDARDS INSTITUTION hereby certifies that the organization BTl MADEN I~LETMBLERi GBNBL Mll!J0RL()G0 MBRKEZ: AYV ALl MAH. HALl!. SEZAI ERKUT CAD. AFRA SK. NO: 1/ A 06010 BTL!K KBc;IORBN I ANKARA ~LETME 1: ETIMADBN I~LETMELBRI BANDIRMABOR VEASIT FABRIKALARI ~LETME M()D()RL()~i)' 10219 BANDIRMA I BALIKBSJ:R I~LETME 2 : E Tl MADEN I~LETMELERI KIRKA BORI~L. Mil'D. 29970 S!!YITGAZI K1RKA I BSKI~IE i~tme 3: BTi MADBN ~LETMELERi BMET BOR~L. MOD. 43700 BMET / KiJ'TAHYA i~tme 4: ETi MADBN ~L. BiGADic; BOR~L. MOD.10441 BiGADic; / BALJKBSiR W)ISTIK M()D()RLiJ'KLBRI : ETiMAD.i~L.izMiRJOJisTIKMOD.HALITZiYABUL.N0:1/5 35210 KONAK/izMiR. BTiMAD.I~L. istanbuljo]istikmij'd.atatilrkbulvarino : 40 34134AKSARAY /ISTANBUL BTl MAD.I~L. RANDIRMAJOJIST!K Mil'D. 10219/ RAND IRMA BALIKBSIE I Til'RKIYB ETIMADEN I~LETMELERIGBNELMiJ'D()RL()~() MERKIEZ: AYV ALl MAIL HALIL SEZAi ERKUT CAD. AFRA SK. NO: 1/ A 06010 EniKKEc;IORBN I ANKARA ijletmi! 1: BTl MADEN l~letmeleri BAND IRMA BOR VE ASIT FABRiKALARI l~letmi! MiJ'D()RL()i:() 10219BANDIRMA/ BALIKI!SIE i~2 : E Ti MADBNi~TMELERIKIRKABORi~L.Mil'D. 29970.SEYiTGAZi KIRKA / BSKi~HiR I~LETME3: ETIMADBNijLETMELERIEMETBORijL.MiJ'D.43700!!MET /KOTAHYA I~LETME 4: ETIMADBNijL. BIGAD!c; BORijL. Mil'D. 10441 BIGAD!c; I BALIKI!SIE LO)IST!K Mil'DORLOKLERI : ETI MAD. ijl.izmiejojistik Mil'D. HALlT ZIYA BUL. NO: 1/5 35210 KONAK / IZMIE. BTIMAD.ijL. ISTANBULJOJISTlKMil'D.ATATilRKBULVARINO : 40 34134AKSARAY / ISTANBUL BTl MAD. ijl. BANDIRMAJOJIST!KMil'D. 10219 / BANDIRMA BALIKI!SIE I TilRKIYE Beige kapsam1 Ek'te verilmi tir Ankara Belgelendinne Miidfuii Ankara Certification Director ()4.~ Ayhan TORKEL TURK STANDARDLARI ENSTiTUSU TURKISH STANDARDS INSTITUTION Belgelendinne Merkezi Bafkan V. Vice Head of Certification Center Scope of the certificate is given in annex Beige No /Certificate No EYB054/13 Beige Tarlhl/ Date of Certificate 24.07.2013 Ge~rlilik Tarihi I Valid Until 24.07.2016 Revlzyon Tarlhl/ Date of Revision 24.07.2013 Bu beige, Turk Standardlan EnstitOsO'nOn kurulu U hakk1 daki 132 say1h kanun uyannca verilmi tir. This certificate is issued in accordance with the Law No. 132 establishing Turkish Standards Institution. Bu beige, belgelendirme!llartlanna uygunluk sagland1g1 siirece g~r1idir. This certificate is valid provided that compliance with the certification requirement is maintained

064 TSE Partner of Beige No I Certificate No: EYB054/13 Beige Tarihi I Date of Certificate 24/07/2013 Belgeli Kurulu~ Ad1, Adresi Name and Address of the certified organization Beige Kaosam1: TSENISO 50001 MADENLERiN URETiM PLANLAMASI, ~TIRMA, GELi~TiRME, PAZARLAMA VE SATI~ HiZMETLERi SUNUMU TUVENAN, KONSANTRE BOR, BOR KiMYASALLARI VE SULFURiK AS it URETiMi BTl MADEN l~lbtmblbri GENBL MODORL()(i() MBRKBZ, AYVALI MAH. HALiL SBZAi BRKUT CAD. AFRA SK. NO, 1IA 06010 BTLiK KE<;:lORBN I ANKARA ~TMB 1, BTi MADEN i~lbtmblbri BANDIRMABOR VE ASiT FABRiKALARI i~lbtmb MODORL()G() 10219 BANDIRMA I BALIKBSIR i~lbtmb 2, BTi MADEN i~lbtmblbri KIRKABORi~L. MOD. 29970 SBYlTGAZl K1RKA I BSKl~BHlR i~lbtmb 3, BTi MADEN i~lbtmblbri BMBT BORi~L. MiiD. 43700 BMBT I KOTAHYA l~lbtmb 4, BTl MADEN l~l. BIGADI<;: BORI~L. MOD.10441 BIGADI<;: I BALIKBS!R LOJiSTiKMODORLOKLBRl' BTlMAD.I~L.IZMIRJO]ISTiKMOD.HALITZIYABUL.NO, 115 35210 KONAKiizMIR. BTiMAD. i~l. istanbuljojistikm0d.atat0rkbulvarino '40 34134AKSARAY I ISTANBUL BTl MAD.I~L. BANDIRMAJO]ISTiKMiiD.10219 I BANDIRMA BALIKBSiR I TORKIYB Scooe of the Certificate: TSENISO 50001 DELIVERY OF PRODUCTION,PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CON CENTRA TED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID

CERTIFICATE IQNet and TSE hereby certify that the organization ETi MADEN I$LETMELERI GENEL M0D0RL0G0 MERKEl: AYVALI MAH. HAUL SEZAI ERKUT CAD. AFRA SOK. N0:1/A 06010 ETLIK KECIOREN I ANKARA I~LETME1 : ETI MADEN I~LETMELER I BANDIRMA BOR VE ASIT FABRIKALARI I~LETME M0D0RL0~0 10219 BANDIRMA / BALIKESIR I~LETME 2:ETI MADEN I LETMELERI KIRKA BOR 1$LT.M0D. 29970 SEYITGAZI KIRKA I ESKI$EHIR 1$LETME~:ETI MADEN I$LETMELERI EMET BOR 1$L. M0 0.43700 EMET I KOTAHYA I$LETME4:ETI MAO.I$L BIGADIC BOR 1$L M0D.104418IGAOIC/BALIKESIR LOJISTIK M0D0RL0KLERI: ETI MAD.I$LT. IZMIR LOJISTIK MOO:HALIT ZIYA 8UL. N0:115 35210 KONAK/IZMIR ETI MAD.i$LT. istanbul LOJISTiK MOD: ATAT0RK BUL. N0:40 34134 AKSARAY /ISTANBUL ETI MAD.I$LT. BANDIRMA LOJiSTIK MOD: 10219 BANDIRMAI BAUKESIR I T0RKiYE has implemented and maintains a ENERGY MANAGEMENT SYSTEM which fulfills the requirements of the following standard TSENISO 50001,, ~.~!~~ Scope of the certificate is given in annex. Date of Revision: 24072013 Date of Certificate: 24072013 Valid Until: 24072016 Registration Number: TREYB054/ 13 Michael Drechsel President of IQNet atl Vice Head of Certificatio IQNet Partners*: AENOR Spain AFNOR Certification France AlBVht~otte International Belgium ANCESIGE Mexico APCER Portugal CISQ Italy CQC China CQM China CQS Czech Republic Cro Cert Croatia DQS Holding GmbH Gennany. DS Denmark FCAV Brazil FONDONORMA Venezuela ICONTEC Colombia IMNC Mexico INNORPI Tunisia Inspecta Certification Finland!RAM Argentina JQA Japan KFQ Korea MIRTEC Greece MSZT Hungary Nemko AS Non.vay NSAI Ireland PCBC Poland Quality Austria Austria RR Russia SII Is rael SIQ Slovenia SIRIM QAS International Malaysia SQS Switzerland SRAC Romania TEST St Petersburg Russia TSE Turkey YUQS Serbia IQNet is represented in the USA by: AFNOR Certification, CISQ, DQS Holding GmbH and NSAI Inc. * The list of IQNet partners is valid at the time of issue of this certificate. Updated information is available u nder www.iqnetcertification.com

... THE INTERNATIONAL CERTIFICATION NElWORK Annex to IQNET Certificate Number :TREYB054/13 N arne and Address of the certified organization ETi MADEN i$letmeleri GENEL M000RL0G0 MERKEZ: AYVALI MAH. HALIL SEZAI ERKUT CAD. AFRA SOK. N0:1/A 06010 ETLIK KECiOREN I ANKARA il;>letme1 : ETi MADEN ll;>letmeleri BANDIRMA BOR VE ASiTFABRiKALARI il;>letme M0D0RL0G0 10219 BANDIRMA I BALIKESIR il;>letme2:eti MADEN ll;>letmeleri KIRKA BOR ll;>l T.MOD. 29970 SEYiTGAZI KIRKA I ESKil;>EHIR ll;>letme3:eti MADEN il;>letmeleri EMET BOR ll;>l. M0D.43700 EMET I KOTAHYA ll;>letme4:eti MAD.Il;>L. BIGADiC BOR il;>l. M0D.10441BIGADIC/BALIKESIR LOJiSTiK M0D0RL0KLERi; ETi MAD.Il;>L T. izmir LOJISTiK MOD:HALIT ZIYA BUL. N0:1/5 35210 KONAK /IZMiR ETI MAD.Il;>LT. ISTANBUL LOJISTiK MOD: AT A TURK BUL. N0:40 34134 AKSARAY /ISTANBUL ETI MAD.il;>L T. BANDIRMA LOJiSTIK MOD: 10219 BANDIRMA/ BALIKESIR I TORKIYE Scope of the Certificate DELIVERY OF PRODUCTION, PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF.MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID This annex is only valid in connection with the abovementioned certificate <8> TURKISH STANDARDS INSTITUTION <8> h

01444 I R I IC I ~*:*: e Partner of I*****N t TURK STANDARDLARI ENSTITOSO bu beige ile TURKISH STANDARDS INSTITUTION hereby certifies that the organization I!Tl MADI!N I~LI!TMI!LBRI GI!NI!L MOniiRLOCO MEltKBZ:AYVAIJMAH.HALlLSBZA.lERKUTCAD.APRASK.NO: 1/A 06010 l!n.ikj<bc;iori!n I ANKAliA 4LJ!TMB 1' BTl MADI!N!~TMBLI!ll! BANDIRMABOR VE AS!T PAIIRIKALAIU!~TME MOniiRLOCO 10219 BAND IRMA I BALIKES1R ~TMBl, I!T!MADI!N~LI!TMBLI!li!KIRL\BORI~. MOD. 29970 SEYITGAZ! KIRKA / ~ ~TMB3 ' BTlMADI!N~LI!TMI!LBRIEMET BOR!~. MOD. 43700 EMET / l<otahya ~TMB4, BTlMADI!N ~L. BIGAD!<;; BOR!~ MOD.10441 BIGAD!<;; I BALIKES!B LO.)!sTIKMODiiRLOKLI!Rt, BTIMAD. I~L.IzMIR.JO]lsTIBMOD.HALITziYABUL.NO, 1/5 35210 I<ONAl< / lzmir. BTIMAD.I~.I5TANBULJO.)!sTIKM0D.ATATORI<BULVARINO '40 34L:I4AJ<5ARAY /ISTANBUL BTl MAD.!~L. BANDIRMAJOJI5TIJ< MOD. 10219/ BAND IRMA BALIKESIB/ TOBKIYB kurulufunun TS EN ISO 14001:2004 artlanna uygun bir <;:EVRE Y0NETiM SiSTEMiNE sahip oldugunu onaylar. BTl MADI!N ~LI!TMI!LBRI GI!NI!L MODiiRLOCO MBRJ<I!Z, AYVALI MAIL HALIL SBZAI BR1<UT CAD. APRA SK. NO' 1/ A 06010Bn.IKJ<Bc;IORI!N I ANKAliA ~TMB1, 1!TlMADI!NI~BANDIRMABORVEAS!TPAIIRilrALAIU4LJ!TMBM0DiiRLOC0 10219 BANDIRMA I BALliCBSIB ~MB2, BTIMADI!N~TMBLI!li!Rl!IXABOR~L.MOD. 29970 SEY!TGAZ! KIRJ<A /I!S~ ~MB 3 ' BTIMADBN~TMI!LBRIBMBTBOR~L. M0D. 43700 BMBT / I<OTAHYA ~MB 4, BTIMADI!N~ BIGAD!<;; BOR~L. MOD. 10441 BIGADI<;; I BALIKES!B LO.)!sTIKMODiiRLOKLI!Rt, BTIMAD. ~L. IZMIR.JO.)!sTIKMOD. HALIT ZIYABUL.NO' 1/ S 35210 I<ONAl< / lzmir. BTIMAD. ~. ISTANBULJOJisTII<MOll. ATATORI<BULVARINO '40 34134AJ<5ARAY / IsTANBUL BTl MAD. ~L. BANDIRMAJO]IsTIJ<MOD. 10219 / BAND IRMA BALIKES!Ri TORJ<IYB has an ENVIRONMENTAL MANAGEMENT SYSTEM which fulfills the requirements of the TS EN ISO 14001:2004 Beige kapsam1 Ek'te verilmi tir Ankara Belgelendinne Miidiirii Ankara Certification Director Ayhan TORKEL TURK STANDARDLARI ENSTiTUSU TURKISH STANDARDS INSTITUTION Scope of the certificate is given in annex Beige No /Certificate No CY754113 Beige Tarlhl/ Date of Certificate 10.07.2013 G~rlilik Tarihi I Valid Until 10.07.2016 Revlzyon Tarlhl/ Date of Revision 10.07.2013 Turk Standartlan EnstitUsG Turk Akreditasyon Kurumu TORKAK taraf1ndan akredite edilmi tir. Turkish Standards Institution, has been accredited by the Turkish Accreditation Agency TORKAK. Bu beige, belgelendirme ~rtlanna uygunluk sagland1ij1 siirece ge<;;erlidir. This certificate is valid provided that compliance with the certification requirement is maintained

01455 Partner of Beige No I Certificate No: <;Y754/13 Beige Tarihi I Date of Certificate: 10/07/2013 Belgeli Kurulu Ad1, Adresi Name and Address of the certified organization Beige Kapsam1: TSENISO 14001:2004 MADENLERiN URETiM PLANLAMASI, ARA~TIRMA, GELi~TiRME, PAZARLAMA VE SATI~ HiZMETLERi SUNUMU TUVENAN, KONSANTRE BOR, BOR KiMYASALLARI VE SULFURiK AS it URETiMi ETi MADEN i~letmeleri GENELMilDiiRLUGU MERKEZ: AYVALIMAH. HALiL SEZAi ERKUT CAD. AFRA SK. NO: 1IA 06010 ETLIK KEc;:lOREN I ANKARA i~letme 1: ETi MADEN i~letmeleri BANDIRMABOR VEASiT FABRiKALARI ~LETME MilDiiRLUGU 10219 BANDIRMA I BALIKESIR i~letme 2: ETi MADEN i~letmeleri KIRKABORi~L. MUD. 29970 SEYITGAZi KIRKA I ESKI~EHIR i~letme 3: ETi MADEN i~letmeleri EMET BORi~L. MUD. 43700 EMET I KiiTAHYA l~letme 4: ETi MADEN l~l. BlGADlc;: BORl~L. MilD.10441 BlGADlc;: I BALIKESlR LOJiSTIK MilDiiRLiiRLERi : BTl MAD. ~.lzmtrjojis11kmijd. HALIT zi A BUL. NO: 115 35210 KONAK llzmir. ETi MAD. ~L. istanbuljojistikmild. ATATURKBULVARI NO : 40 34134AKSARAY I ISTANBUL BTl MAD.~ BANDIRMAJOJlsTIKMiJD. 102191 BANDIRMA BALIKESIR I TiiRKiYE Scope of the Certificate: TSENISO 14001:2004 DELIVERY OF PRODUCTION,PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID

... CERTIFICATE IQNet and TSE hereby certify that the organization ETI MADEN 1$LETMELERI GENEL MUDURLUGO MERKEZ: AYVAU MAH. HALIL SEZAI ERKUT CAD. AFRA SOK. NO:l/A 06010 ETLIK KE~IOREN f ANKARA I~LETME1 : ETI MADEN I~LETMELERi BANDIRMA BOR VE ASIT FABRIKALARII$LETME M000RL0G0 10219 BANDIRMA f BALIKESIR I$LETME2:ETI MADEN I$LETMELERi KIRKA BOR i$lt.m0d. 29970 SEYITGAZi KIRKA I ESKI$EHiR I$LETME3:ETI MADEN I$LETMELERI EMET BOR I$L M0D.437QO. EMET I K0TAHYA i$letme4:eti MAD.I$L. BiGADIC BOR I$L. M00.10441BIGADICIBALIKESIR_ LOJISTIK M0D0RL0KLERI; Ell MAD.I$LT. IZMiR LOJISTIK MOD:HALIT ZIYA e'ul. N0:1/5 35210 KONAK flzmir ETI MAO.i$LT. ISTANBUL LOJISTIK MOD: ATAT0RK BUL. N0:40 34134AKSARAY /ISTANBUL Ell MAD.I$L T. BANDIRMA LOJiSTiK MOD: 10219 BAND IRMA/ BALIKESiR I TORKIYE has implemented and maintains an ENVIRONMENTAL MANAGEMENT SYSTEM which fulfills the requirements of the following standard TS EN ISO 14001:2004 Scope of the certificate is given in annex. Date of Revision: 10072013 Date of Certificate: 1 0072013 Valid Until: 10072016 Registration Number : TR f;y 7 54 Michael Drechsel President of IQNet Head of Certification Center IQNet Partners*: AENOR Spain AFNOR Certification France AIBVinvotte International Belgium ANCESIGE Mexico APCER Portugal CISQ Italy CQC China CQM China CQS Czech Republic Cro Cert Croatia DQS Holding GmbH Germany DS Denmark FCAV Brazil FONDONORMA Venezuela ICONTEC Colombia IMNC Mexico INNORPI Tunisia Inspecta Certification Finland!RAM Argentina JQA Japan KFQ Korea MIRTEC Greece MSZT Hungary Nemko AS Norway NSAI Ireland PCBC Poland Quality Austria Austria RR Russia SII Israel SIQ Slovenia SIRIM QAS International Malaysia SQS Switzerland SRAC Romania TEST St Petersburg Russia TSE Turkey YUQS Serbia IQNet is represented in the USA by: AFNOR Certification, CISQ, DQS Holding GmbH and NSAJ Inc. * The list of IQNet partners is valid at the time of issue of this certificate. Updated information is available under www.iqnetcertification.com

THE INTERNATIONAL CERTIFICATION NE1WORK Annex to IQNET Certificate Number :TR<;Y754/ 13 N arne and Address of the certified organization ETi MADEN i$letmeleri GENEL M000RL0G0 MERKEZ: AYVALI MAH. HALiL SEZAi ERKUT CAD. AFRA SOK. N0:1/A 06010 ETLiK KE<;iOREN I ANKARA I$LETME1 : ETi MADEN i$letmeleri BANDIRMA BOR VE ASIT FABRiKALARI i$letme M0D0RL0G0 10219 BANDIRMA I BALIKESiR I$LETME2:ETi MADEN i$letmeleri KIRKA BOR i$l T.MOD. 29970 SEYiTGAZI KIRKA I ESKi$EHiR i$letme3:eti MADEN i$letmeleri EMET BOR i$l. M0D.43700 EMET I KOTAHYA i$letme4:eti MAD.i$L. BiGADi<; BOR i$l. M0D.10441BIGADi<;/BALIKESIR LOJiSTiK M0D0RL0KLERi; ETi MAD.i$LT. IZMiR LOJISTIK MOD:HALiT ZiYA BUL. N0:1/5 35210 KONAK /izmir ETi MAD i$lt. ISTANBUL LOJiSTIK MOD: ATATORK BUL. N0:40 34134 AKSARAY /ISTANBUL ETi MAD.[$L T. BANDIRMA LOJiSTIK MOD: 10219 BANDIRMAI BALIKESiR I TORKiYE Scope of the Certificate DELIVERY OF PRODUCTION, PLANNING, RESEARCH, DEVELOPMENT, SALES AND MARKETING SERVICES OF MINES PRODUCTION OF RUN OF MINE, CONCENTRATED BORON PRODUCTS, BORON CHEMICALS AND SULFURIC ACID.ok This annex is only valid in connection with the abovementioned certificate <8> TURKISH STANDARDS INSTITUTION ~