Cathie Associates Offshore geoscience and geotechnical engineering consultancy An Introduction

Who are we? The specialist geotechnical and geoscience offshore consultancy 40 offshore Geotechnical Engineers, Geophysicists and Engineering Geologists One of the largest such specialist teams in the world Oil & gas historical base – since 2008 broadened to offshore renewable industry and ports and harbours Worldwide projects delivered from key Europe-wide offices Trusted by leading developers and contractors for our expertise, responsiveness and integrity Innovators and developers of new knowledge and technologies

Who are we? Offshore Industry Sectors OFFSHORE WIND – Global / Full Service / Throughout Supply Chain OIL AND GAS – Global / Full Service / Throughout Supply Chain WAVE & TIDAL – Europe & Canada / Full Service / Throughout Supply Chain PORTS & HARBOURS – EMEA, South America, SE Asia / Full Service / Throughout Supply Chain SUBSEA CABLES – Europe, S America, APAC / Full Service / Throughout Supply Chain / Primarily Power Cables

What do we do? Safe, cost-effective valued solutions Desk Study and Risk Management 3rd Party Review and Expert Witness Pile driving monitoring Foundation Geotechnical Design Installation Support Cable routing, BRA and BA Design Data Integration and Interpretation SitEval Asset Integrity Management O&M Risk / IMR Performance Development Pre-FID / Design Construction / O&M KEY Full service survey consultancy

Why engage us? Expert, credible, independent solutions Low confidence in foundation design? Need a cross-industry perspective? Need to optimise CAPEX and reduce OPEX? Seabed infrastructure failure? Are you in contractual dispute? Challenging seabed conditions? Need eyes and ears offshore? Need a plan to manage seabed risk?

What makes us different? Unique focus, provide risk and value oriented solutions Specialised Expertise Offshore geoscience and geotechnics over the whole lifecycle – its all we do Risk and Value Oriented Solutions Commitment to structured, value adding engineering Offshore Focus Engaged heavily in the sector with unequalled experience and cross-industry perspective R&D / IP Proprietary commercial software and pioneering research Value Risk

Whose Problems? Operators, Contractors and Consultancy CONTRACTORS DEVELOPERS

How do we impact projects? Reduce risk, reduce CAPEX, improve confidence Risk Driven by experience in design and construction Structured, planned approach to risk management Value engineered approaches to data acquisition and risk quantification CAPEX Innovative solutions engineered to reduce or optimise cost Solutions driven by R&D Expertise in soil and rock characteristics and behaviour = efficiencies in design Confidence Improved consentability Improved bankability Secure project timescales

Project Context Example Projects – Adding Value, Reducing Risk PROJECT/CLIENT ENGAGEMENT DELIVERY THE DIFFERENCE Port of Montevideo Soletanche Bachy Design Optimised ground interpretation and foundation design for port extension 344 steel piles saved and one year in delivery time Confidential UK OWF Project Confidential Client Jackup LPA Back analysis of performance and advanced LPA for new project bid Definition of risk, cost and improved understanding of leg pen behaviour as a result of partial drainage in intermediate soils Gwynt-y-Mor RWE NPower Geotechnical foundation design and PDM Design of piles in weak rock, challenging DNV J101, use of PDM to mitigate installation risk Jacket Pile Design in Rock Confidential Site, R&D New design methodology Optimised foundation design and installation 20% pile length savings in weak rock – saving cost in fabrication and installation Carbon Trust CBRA R&D Design, Risk Assessment, Probabilistic and Performance Approach New standard for industry, paradigm shift Optimised, bespoke burial. Export cables 20-30% cost saving, 30-40% on array cables

In Summary…… Pushing Boundaries, Delivering Solutions Enabling successful, cost effective project delivery by managing seabed risk and solving technical challenges