Sopra Steria - 2019 Universal registration document

4 CORPORATE RESPONSIBILITY Report by the independent third party on the consolidated statement of non-financial performance presented in the management report

we enquired about internal control and risk management p procedures put in place by the Company; we assessed the consistency of the results and key performance p indicators selected with the key risks and policies presented; we checked that the Statement covers the consolidated group, p i.e. all companies falling within the scope of consolidation in accordance with Article L. 233-16, within the limits specified in the Statement; we assessed the collection process put in place by the entity to p ensure that the Information is complete and truthful; for the key performance indicators and other quantitative results p (see Annex) we considered most important, we: Annex) we considered the most important, we: used analytical procedures to check that the data collected had • been properly consolidated, and that any changes in the data were consistent, carried out detailed, sample-based testing to check that • definitions and procedures had been properly applied and to reconcile data with supporting documents. This work was undertaken on a selection of contributing entities and countries (see Annex) and covered between 32% and 96% of the consolidated data used in the key performance indicators and results selected for these tests; we consulted source documents and carried out interviews to p corroborate the qualitative information (actions and results) we considered most important (cf. Annex); we assessed the Statement’s overall consistency based on our p understanding of the Company. We believe that the work we have undertaken, to the best of our professional judgement, provides a sufficient basis for our limited assurance conclusion. A higher level of assurance would have required more extensive verification procedures. MEANS AND RESOURCES Our work was carried out by a team of eight people between October 2019 and February 2020 and required a total of around 12 weeks.

We conducted around five interviews with individuals responsible for preparing the Statement, notably representing the Internal Control and Risk Management, Human Resources, and Sustainable Development Departments. CONCLUSION In the course of our work, we noted that the hours of long-term training delivered during the reporting period had only been partially recognised, resulting in an undervaluation in the number of reported hours. Based on the work performed and apart from the aforementioned issue, we did not identify any material misstatement that would cause us to conclude that the statement of non-financial performance is not consistent with applicable regulatory provisions and that the Information, taken as a whole, is not presented fairly in accordance with the Guidelines. Regarding the information selected by the Company and identified by the symbol ✔ , we performed, at the request of the Company and in line with its proactive approach, the same types of procedure as those described in the “Nature and scope of work” section above for the key performance indicators and the other quantitative results that we considered to be the most important, but in a more in-depth manner, in particular with respect to the number of tests conducted. The selected sample thus represents an average of 55% of the workforce and between 50% and 96% of environmental data identified by the symbol ✔ . We believe that these procedures enable us to express a reasonable assurance conclusion with respect to the information selected by the Company and identified by the symbol ✔ . CONCLUSION In our opinion, the information selected by the Company and identified by the symbol ✔ has been prepared, in all material respects, in accordance with the Guidelines. REASONABLE ASSURANCE REPORT ON SELECTED CSR INFORMATION

Paris La Défense, 9 April 2020

Independent third party

Mazars SAS

Bruno POUGET

Edwige REY

Partner

CSR & Sustainable Development Partner

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SOPRA STERIA UNIVERSAL REGISTRATION DOCUMENT 2019