Saint-Gobain // Universal Registration Document 2021

7 Capital and ownership structure Stock market information/Securities market SAINT-GOBAIN UNIVERSAL REGISTRATION DOCUMENT 2021 265 Total shareholder return 2.2 The total shareholder return on Saint-Gobain shares amounts to: 8.7% per annum over the period from December 22, ■ 1986 (date of privatization of Saint-Gobain) to December 31, 2021; 9.5% per annum over the last five years (from ■ December 30, 2016 to December 31, 2021). The total shareholder return is the effective profitability rate for the shareholder: it includes the variation in the share price, the dividends received over the period and deemed to be reinvested in shares and securities transactions (share capital increases). It is calculated based on the “Total Return” published by Datastream for all listed companies. Trading volume since January 2020 Paris Stock Exchange ISIN code FR0000125007 In number of shares In capital (in EUR) Highest (in EUR) Lowest (in EUR) 2020 January 30,671,581 1,084,824,404 37.255 34.065 February 34,378,631 1,184,704,227 36.475 31.585 March 78,827,597 1,916,162,583 33.680 16.408 April 36,174,503 871,200,437 26.360 21.000 May 40,519,082 1,061,970,227 29.510 22.640 June 50,676,737 1,589,264,466 33.620 28.700 July 36,152,817 1,185,436,642 34.440 30.960 August 23,471,470 791,347,357 34.800 31.010 September 37,820,231 1,340,229,493 36.590 33.300 October 38,584,062 1,365,367,712 37.910 31.230 November 38,457,970 1,482,016,919 40.800 33.550 December 30,520,924 1,167,970,705 40.260 36.220 TOTAL 476,255,605 15,040,495,173 2021 January 28,571,514 1,199,233,521 43.990 37.790 February 23,648,591 1,013,578,703 44.790 41.100 March 34,946,419 1,682,381,952 51.420 43.910 April 22,064,708 1,151,553,338 53.430 50.150 May 27,038,291 1,479,589,477 56.880 52.080 June 28,153,711 1,553,484,040 58.600 54.710 July 22,360,340 1,287,008,599 60.340 54.700 August 22,307,565 1,400,891,410 64.930 59.210 September 24,870,026 1,503,661,590 62.210 57.890 October 24,745,452 1,461,928,253 61.770 54.920 November 23,394,251 1,395,883,423 61.850 55.820 December 20,804,128 1,233,978,393 62.440 56.290 TOTAL 302,904,996 16,363,172,701 (Source: Euronext Paris) In 2021, 185,280,800 shares were traded on the London Stock Exchange (source: Datastream). The only other Group companies, excluding Compagnie de Saint-Gobain, whose shares are currently traded on a regulated market are Grindwell Norton and Saint-Gobain Sekurit India (Mumbai Stock Exchange) and Compañía Industrial El Volcan in Chile (Santiago Stock Exchange).

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