Sopra Steria // 2022 CONVENING NOTICE

2 SOPRA STERIA GROUP PRESENTATION’S

Standardised presentation of compensation paid to company officers

PERFORMANCE SHARES NO LONGER SUBJECT TO A HOLDING PERIOD DURING THE FINANCIAL YEAR ❙ FOR EACH EXECUTIVE COMPANY OFFICER (TABLE 7 – AFEP-MEDEF CODE OF CORPORATE GOVERNANCE FOR LISTED COMPANIES, JANUARY 2020)

Number of shares becoming available during the financial year

Number and date of plan

952 shares with no minimum holding period 953 shares with a minimum holding period for the entire term of office

Vincent Paris

16/02/2018 LTI C plan

TOTAL

1,905 SHARES

This allotment is calculated by applying the performance level of the plan targets (determined as set out below) to the initial allocation of rights (3,000 rights to shares):

2018

Sopra Steria Group performance targets and criteria

% Achieved (Year)

Threshold

Target

Results

% Achieved

Weighting

Organic revenue growth

3.0%

5.0%

4.9%

95%

1/3

Operating profit on business activity as % of revenue

8.5%

9.0%

7.5%

0%

1/3 1/3

40.00%

Free cash flow (1)

€160m €200m €170m

25%

2019

Sopra Steria Group performance targets and criteria

% Achieved (Year)

Threshold

Target

Results

% Achieved

Weighting

Organic revenue growth

4.0%

6.0%

6.5%

100%

1/3

Operating profit on business activity as % of revenue

7.5%

8.1%

8.0%

83% 93%

1/3 1/3

92.16%

Free cash flow (1)

€150m €200m €197m

2020

Sopra Steria Group performance targets and criteria

% Achieved (Year)

Threshold

Target

Results

% Achieved

Weighting

Organic revenue growth

-4.00%

-2.5%

-4.8%

0%

1/3

Operating profit on business activity as % of revenue

5.50%

7.5%

7.0%

75.0% 100%

1/3 1/3

58.33%

Free cash flow (1)

€80m €120m €203.5m

% Achieved (Plan)

TOTAL – PLAN B

63.50%

Result established as per plan rules (1)

To help ensure that the interests of the Chief Executive Officer and shares received under long-term incentive plans. The shares that the shareholders are aligned over the long term, the Board of Vincent Paris is required to hold therefore make up a growing Directors required the Chief Executive Officer to hold, for the entire proportion of his annual fixed compensation (over 90% at duration of his term of office, at least 50% of the performance 31/12/2021 based on the closing share price). RECORD OF SHARE SUBSCRIPTION OR PURCHASE OPTIONS GRANTED – INFORMATION ON SHARE SUBSCRIPTION ❙ OR PURCHASE OPTIONS (TABLE 8 – AFEP-MEDEF CODE OF CORPORATE GOVERNANCE FOR LISTED COMPANIES, JANUARY 2020) None. OVERVIEW OF PERFORMANCE SHARE GRANTS – INFORMATION ON PERFORMANCE SHARES ❙ (TABLE 9 – AFEP-MEDEF CODE OF CORPORATE GOVERNANCE FOR LISTED COMPANIES, JANUARY 2020) See Section 5.4 of Chapter 5, “2021 Consolidated Financial Statements” and Section 4.2.2 of Chapter 6, “2021 Parent Company Financial Statements” of the 2021 Universal Registration Document (on pages 192 to 193 and 245 to 246, respectively).

STATEMENT SUMMARISING THE MULTI-YEAR VARIABLE COMPENSATION OF EACH EXECUTIVE COMPANY OFFICER ❙ (TABLE 10 – AFEP-MEDEF CODE OF CORPORATE GOVERNANCE FOR LISTED COMPANIES, JANUARY 2020) None.

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SOPRA STERIA NOTICE OF MEETING 2022