CERTIFICATE NUMBER

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FOUNDED 1862

CERTIFICATE OF FORGING FACILITY AND PROCESS APPROVAL This is to certify that a representative of ABS did, at the request of

COGNE ACCIAI SPECIALI S.P.A. VIA PARAVERA, 16, 11100 AOSTA, Italy attend its faciiities as indicated in the ABS Genoa Port port office survey report number 3041083 dated 09 December 2015 in order to carry out a survey of the facilities and associated quaiity procedures. The faciiity is considered capable of manufactu ring

Stainless Steel Forging components for marine applica tions in accordance with the ABS Approvai ietter (Reference T1486701), ABS Ruies, designated standards and ABS approved drawings. The approvai is vaiid tilI 08 December 2020 subject to adherence to relevant ABS Ruies, Survey requirements and annuai endorsement by an ABS representative.

Marcus Cridland Chief Metallurgist, ABS ISSUE DATE: 09 December 2015 EXPIRY DATE: 08 December 2020

.A-{. SECONDANNUAL ENDORSEMENT:

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-

THIRD ANNUAL ENDORSEMENT: FOURTH ANNUAL ENDORSEMENT:

NOTE: Ths ifkateeden:es comp:ancewithcne or morerf the Rues, Guides, starardsorathercritere of ABSce aotatutory, industriaIcrmanufacture’s standarde. It le issued sdelg fcethe cee cI ABS, ite crttees, te cilento or other authori:sd otÌties, This Celilicate o representeton oeclthal thestructure, 1Cm otmaterial, equiisent, machinery or nyother item:cvered bythisCert;fcatehae metcnecr mcm efthe Ruos, OrnIno, cOncIarIe orothcrcritera sfAPns oftho dateof sono, Partier are ndv:eedtcr reewthe Ruos fc the scope scI corrditicns ci classificatb, ard te rnioo the eureg recccdn Inc a ful deecriptices ci any rostscticri.s or mitatìcn Cn the vesses cervice or envo The eality, appcabOitI and isterprotation cI this Certih:ate e gccerred bythe Rues and standade ofA8S whoshail remaìn the scIe judgo therecf. Nnth rg cnntainodinthie Certrficteorrn cc ctation male in cnntersplaicn 00 thn Cemtfìcateshal bedeemedtoreCeve anydeogner Les:Ider, ower manufactuerseller, suppl.er, repair,oCematn:oretherentitof enywarraty eopese or irnpiled. AAP A rlPT PI

Electronically published by ABS London. Reference T1486701, clated 17-FEB-2016,

ABS

FOUNDEI2 1862

Reference: KS/NV T1486701 Project Number: 3476733 Certificate no: FOR- T1486701

COGNE ACCIAI SPECIALI S.P.A. (896623) VIA PARAVERA 16 11100, AOSTA ITALY

AUN: ELENA BALDUCCI

Initiai Stainless Steel Forging Facility and Process Approvai ABS Approvai of COGNE ACCIAI SPECIALI S.P.A., Aosta, itaiy We have the ABS piant survey report 3041083 dated 09 December 2015 aiong with your submittals together with enciosures relative to the subject. With regard thereto we advise that Cogne Acciai Speciali

S,P.A., Aosta, ltaly is considered approved to produce machinery forgings to the requirements of ABS Materials & Welding Rules Part2 (2016) as outlined below, provided the Rules are adhered to in all respects and all production, testing and inspection are to the satisfaction of the attending ABS Surveyor.

Grade

Melting Practice Casting Practice Forging Practice Maximum Weight Maximum Thickness/Diameter Heat treatment facility Product Examples

Non-ABSGrade Austenitic stainless steel Martensitic stainless steel Duplex stainless steel Ferritic stainless steel Martensitic Precipitation-Hardening stainless steel (17-4PH/155PH) XM19 EAF and AOD Ingot and Continuous Casting Drop and Open Die Forge 74500 Kg l000mm In-House Stainless Steel Ingots, Blooms, Round Bars, or Semis

Weld repair is generally not permitted on forgings, unless specially approved by the ABS Engineering Office. The approvai is valid for five years subject to annual endorsement survey and will expire on 08 December 2020. Please note it is the responsibility of the facility to inform ABS of any changes to the manufacturing

parameters and request annual endorsement survey or renewal of approvai prior to the five year expiry date. Dur invoice to cover the costs of the technical review is subject to a separate correspondence.

ABS EUROPE LTD. No. i FRYING PAN ALLEY, LONDON, ENGLAND, EI 7HF1 TEL: 44-20-7247-3255 Email: [email protected] FAX: 44-20-7247-3053

www.eagIe.org

Electronically published by ABS London. Reference Ti 486701, dated 17FEB-20l6.

ABS

FOUNDED 1862

A copy of the documentation appropriately stamped to indicate our review is being retained. If you need to contact ABS regarding this review please email Kin-Ling Sham at [email protected] and Nikolaos Vrellos at [email protected].

Very truly yours Dimitrios G. Kostaras Vice President of Engineering ABS Europe Ltd.

Nikolaos Vrellos Principal Engineer, Materials London Offshore Engineering Department

cc: AB5 Genoa

ABS EUROPE LTD. No. i FRYNG PAN ALLEY, LONDON, ENGLAND, Ei 7HR TEL: 44-20-7247-3255

FAX: 44-20-7247-3053

Email: [email protected]

vww.eagIe.org

CERTIFICATE NUMBER

FOUNDED 1862

Department

CERTIFICATE OF ROLLED BARS MACHINERY FACILITY AND PROCESS APPROVAL -

This is to certify that a representative of ABS did, at the request of

COGNE ACCIAI SPECIALI S.P.A. VIA PARAVERA, 16, 11100 AOSTA, Italy attend its faciiities as indicated in the ABS Genoa Pori pori office survey report number 3051409 dated 09 December 2015 in order to carry out a survey of the facilities and associated quality procedures. The faciiity is considered capabie of manufacturing

Stainless Ro!Ied Bar components for marine applications in accordance with the ABS Approvai letter (Reference T1486702), ABS Rules, designated standards and ABS approved drawings. The approvai Is vaiid tili 08 December 2020 subject to adherence to reievant ABS Ruies, Survey requirements and annuai endorsement by an ABS representative.

/L Marcus Cridland Chief Metallurgist, ABS ISSUE DATE: 09 December 2015

EXPIRY DATE: 08 December 2020

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SECONDANNUAL ENDORSEMENT:

THIRD ANNUAL ENDORSEMENT: FOURTH ANNUAL ENDORSEMENT:

standarde, tìa ssuedsoey tonte una of ABS, te ccmimfttees, te cents or other asthortedent!Ies. Ths Centificate sa representatononlythatthestnucture, ltam olmaterial, eqaipment, machinerpor arother ltemcovered by th Certicete has met una or more ai the RecO, Gulles, standards orothercritaoa e! A!S e; f the date of ì;sa. Parties ere advised te rev;ew the Rues far the scope and condtIcns ci cIasai1icatiar and te seeiew the survey recorde far a fu deacriptien ci any roatrcticno or limitatian on the acceco soroice or acrvoye, The vaIdity, appl caL’i’ntl and lnterpretation o! thia Centifrate la governed hythe Rulea and standarda cfABf who shaI remain the see judge therecf oth.n cntaned ithis Certificete or In ao’notaUonmade In contemplaton of th Certificateshal: ha deemed torelieve anj desgner, bulder, owner, manufacturer,eeller, suppter, repairm, operater or other entit o! eoy warraoty exprees or lrnplled. FsdPflPTP1

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Eiectronicaliy pubiished by ABS London. Reference TI 486702, dated 17-FEB-2016.

ABS

FOUNDED 1862

Reference: Project Number: Certificate no:

COGNE ACCIAI SPECIAU S.P.A. (896623) VIA PARAVERA 16 11100, AOSTA ITALY

KS/NV T1486702 3476733 ROB-T1486702

AUN: ELENA BALDUCCI

Initial Stainless Steel RoIled Bar Faciiity and Process Approvai ABS Approvai of COGNE ACCIAi SPECIALI S.P.A., Aosta, itaiy We have the ABS piant survey report 3051409 dated 09 December 2015, aiong with your submittals together with enciosures relative to the subject. With regard thereto we advise that Cogne Acciai Speciali S.P.A. is considered approved to produce roiled bars for machinery applications to the requirements ofABS Materials & Welding Rules Part2 (2016) as outiined below, provided the Rules are adhered to in all respects and ali production, testing and inspection are to the satisfaction of the attending ABS Surveyor.

Non-ABS Grade Austenitic stainless steel Martensitic stainless steel Duplex stainless steel Ferritic stainless steel

Grades

Martensitic Precipitation-Harderiing stainless steel (17-4PH/15-5PH)

Melting Practice Maximum

Weight

Maximum Diameter* Heat treatment facility Product Examples *

XM19 EAF and AOD 4500

kg

200mm In-house Stainless Steel Blooms, Round Bars, or Semis

Rolìing reduction ratio shall be to the requirements of ABS Rules Part 2-3-8

Weid repair is generaliy not permitted on rolied bars used in iieu of forgings, uniess speciaily approved by the ABS Engineering Office. The approvai is valid for five years subject to annual endorsement survey and wiIl expire on 08 December 2020. Please note it Is the responsibikty of the facility to inform ABS of any changes to the manufacturing parameters and request annual endorsement survey or renewai of approvai prior to the five year expiry date. Our invoice to cover the costs of the technicai review Is subject to a separate correspondence.

ABS EUROPE LTD. No. i FRYING PAN ALLEY, LONDON, ENGLAND, Ei 7HR TEL: 44-20-7247-3255 FAX: 44-20-7247-3053 Emait: [email protected]

www.eagle.org

EectronicaHy published by ABS London. Reference T1486702. dated 17-FEB-2016.

ABS FOUNDED 1862

A copy of the documentation appropriately stamped to indicate our review Is being retained. If you need to contact ABS regarding this review please email Kin-Ling Sham at [email protected] and Nikolaos Vrellos at [email protected].

Very truly yours Dimitrios G. Kostaras Vice President of Engineering ABS Europe Ltd. /

/1’ Nikolaos Vrellos Principal Engineer, Materials London Offshore Engineering Department

CC: ABS Genoa

ABS EUROPE LTD. No. i FFIYING PAN ALLEY, LONDON, ENGLAND, Ei 7HA TEL: 44-20-7247-3255 FA): 44-20-7247-3053 Emai: [email protected]

www.eaQIe.org