Press Release

VELIZY-VILLACOUBLAY, France July 6, 2026

Half-year statement of the Liquidity contract entered into with Oddo BHF SCA

(Euronext Paris:FR0014003TT8, DSY.PA) announces that the following resources appeared on June 30, 2026 on the liquidity contract entered into with Oddo BHF SCA implemented on January 7, 2015 and updated on June 18, 2019:

  • 771,988 Dassault Systèmes shares, and
  • € 8,763,836.54 in cash.

It is reminded that:

  • at the time of the implementation of the liquidity contract, the following resources appeared on the liquidity account:
    • 0 Dassault Systèmes shares;
    • € 10,000,000 in cash.
  • Pursuant to the amendment dated October 26, 2017, an additional contribution of € 5,000,000 was made, increasing from € 10,000,000 to € 15,000,000 the resources of the liquidity agreement.
  • Pursuant to the amendment dated December 13, 2018, an additional contribution of € 5,000,000 was made, increasing from € 15,000,000 to € 20,000,000 the resources of the liquidity agreement.
  • At the time of implementation of the new liquidity contract on June 18, 2019, the following resources appeared on the liquidity account:
    • 62,557 Dassault Systèmes stocks, and;
    • € 17,496,140.38 in cash.

From January 1, 2026 to June 30, 2026 the following transactions have been carried out:

  • 20,107 purchases;
  • 22,352 sales.

During the same period, the volume of securities traded, amounted to:

  • 4,877,806 Dassault Systèmes stocks and € 97,306,056.16 purchases;
  • 5,031,015 Dassault Systèmes stocks and € 100,685,138.59 sales.

###

ABOUT DASSAULT SYSTÈMES

Dassault Systèmes is a catalyst for human progress. Since 1981, the company has pioneered virtual worlds to improve real life for consumers, patients and citizens. Through the 3DEXPERIENCE platform,

AI-powered, science-based virtual twins help 390,000 customers of all sizes, in all industries, collaborate, imagine and create sustainable innovations that drive meaningful impact. For more information, visit:

Dassault Systèmes Investor Relations Team FTI Consulting

Marie Dumas:Arnaud de Cheffontaines: +33 1 47 03 69 48

+33 1 61 62 70 92 Jamie Ricketts: +44 20 3727 1600

Dassault Systèmes Press Contacts

Corporate / France

Arnaud Malherbe / Déborah Cobbi

+33 1 61 62 87 73 / +33 1 61 62 70 83

arnaud.malherbe@3ds.com / deborah.cobbi@3ds.com

PURCHASESSALESDateTransactions quantitySecurities quantityCapital in EURTransactions quantitySecurities quantityCapital in EURTotal20,1074,877,80697,306,056.1622,3525,031,015100,685,138.5902/01/202635075,0001,781,971.6813945,0001,075,490.0005/01/202613731,000733,213.1623970,0001,666,950.0006/01/202621050,0001,175,155.257925,000588,650.0007/01/20266627,000647,018.2023157,0001,367,638.7808/01/20266827,000650,300.0017641,000989,964.9309/01/202631,00024,650.0017645,0001,106,608.5812/01/202620354,0001,336,690.0017250,0001,239,611.4013/01/202618861,000,,496,810.3221648,0001,181,664.1814/01/202617560,0001,452,794.7412542,0001,018,035.0015/01/202617355,0001,332,122.9921255,0001,335,240.0016/01/202615750,0001,201,786.3815550,0001,203,720.0019/01/202616060,0001,417,292.3210219,000451,270.3920/01/202629075,0001,755,043.9523270,0001,639,609.7621/01/202619766,0001,544,568.0026460,0001,406,665.0022/01/202617053,0001,246,706.4032562,0001,464,840.8623/01/202616451,0001,214,632.6019956,0001,335,105.4226/01/20269830,000714,100.0010838,000908,645.0027/01/202625484,0001,999,620.0032665,0001,551,435.2828/01/202619953,0001,259,031.5427856,0001,333,499.8429/01/202620975,0001,760,295.0016230,000715,626.3530/01/202612641,000956,720.0020738,000889,730.0002/02/202615947,0001,089,260.0021145,0001,045,188.8603/02/202614446,0001,044,450.0011924,000546,722.3704/02/202614848,0001,077,939.4441280,0001,812,718.1405/02/202617945,0001,037,320.0022045,0001,041,790.0006/02/202614151,0001,124,845.0020142,000928,992.8209/02/202611838,000851,119.3218841,000919,858.6610/02/202615048,0001,080,275.0024050,0001,128,370.0011/02/202610675,0001,350,376.00---16/02/20264318,500301,134.99---17/02/20264211,000177,461.254916,000262,879.0018/02/20264116,000268,342.5012533,000556,162.5019/02/202616240,000695,995.5324360,0001,047,338.7520/02/202623754,030941,052.1024555,000961,303.1023/02/20269934,000582,331.259226,000447,525.0024/02/202611136,000623,549.9020244,000764,220.5225/02/20268622,000385,448.7521451,000902,507.5026/02/20268720,000360,905.0025355,0001,002,793.3527/02/202631462,0001,132,810.4233084,0001,546,805.0002/03/202618541,000747,666.2227562,0001,141,226.1803/03/202623940,659740,714.0218140,000731,579.5404/03/202638562,0001,128,658.6028857,0001,040,591.2505/03/202621239,000707,535.0032065,0001,188,285.7106/03/202620331,000576,945.0019236,000672,865.0009/03/202630254,000991,670.0013025,000462,970.0010/03/202615831,001561,258.3911227,001493,243.1411/03/202614228,000499,850.4210428,000502,050.0012/03/2026235,500100,675.0012727,000496,320.0013/03/20265311,000202,130.009519,752366,075.1216/03/2026489,000165,810.004818,000334,360.0017/03/20269516,000291,160.00296,000110,190.0018/03/20265814,000251,030.004612,000216,860.0019/03/20265114,000248,350.005310,000179,100.0020/03/202613129,500514,655.00175,50197,542.7523/03/202624648,250823,827.5011334,000589,060.0024/03/202612832,750549,032.50---25/03/202610925,000417,750.0014633,500563,402.5026/03/202613830,000501,000.0014029,000490,010.0027/03/202614050,000837,425.008219,500331,560.0030/03/202618636,000602,280.0024547,000,788,655.0031/03/202614629,000495,835.0016233,000565,500.0001/04/202616232,000562,594.0418538,000671,560.0002/04/202611324,000417,180.0012323,000401,996.2007/04/202625445,000792,295.7122745,000797,655.0008/04/202619245,000799,603.2318545,000814,039.5009/04/202614633,000566,915.00---10/04/202617237,204631,410.2619134,204585,881.8813/04/20267916,000271,957.5020244,750768,322.5014/04/202611021,000370,800.0012830,000531,400.0015/04/20268816,000285,200.0015228,000500,555.0016/04/20268718,538340,624.1720141,673764,208.0217/04/2026---5527,000517,290.0020/04/202613832,000610,370.00---21/04/20269418,000343,722.333221,000401,450.0022/04/202619436,000678,150.005428,000528,810.0023/04/20269118,000346,890.0016042,000 832,735.0024/04/202620843,000828,600.0033757,0001,105,820.0027/04/202612423,000446,088.0010919,000370,332.0028/04/202623144,000834,630.0011325,000475,706.2529/04/202617831,000576,350.0022851,000956,411.2530/04/202622341,000774,955.0040876,2501,446,478.7504/05/202620135,000673,565.0042271,5001,384,915.0005/05/202628652,2501,012,218.86647105,0002,040,385.0006/05/202622950,000988,832.5041970,0001,395,646.0007/05/202628453,0001,045,140.0038071,0001,403,950.0008/05/202617732,000630,975.009517,000336,550.0011/05/202638371,0001,387,826.0036067,0001,311,958.2412/05/202627856,0001,071,653.3334164,0001,227,954.0713/05/202624052,000990,855.0024151,000975,205.0014/05/202611521,000403,513.8331158,0001,121,313.7515/05/202625045,750900,104.5936874,0001,463,819.3718/05/202646685,0001,680,790.6438884,0001,669,419.2119/05/202610823,000466,660.0032270,0001,421,918.1220/05/202631163,0001,264,310.0040374,4951,504,682.8021/05/202626260,0001,207,654.3817233,000666,610.0022/05/202612326,000525,999.6627959,0001,198,607.5025/05/202612,2,21145,421.505412,000246,530.0026/05/202611125,000510,690.004811,000224,760.0027/05/202611726,000519,400.008413,362266,739.3028/05/2026421100,0001,925,842.5016535,000686,676.1429/05/20264430,000561,620.007417,000319,345.0001/06/202613923,000446,230.0043084,6381,663,096.3102/06/202632970,0001,379,637.5011322,000447,335.0003/06/202623945,885880,407.888713,000251,990.0004/06/2026---529106,0002,101,197.2305/06/202640790,0001,796,314.5322044,262892,939.2708/06/202630360,0001,177,082.4347190,0001,774,711.9509/06/2026422121,9782,407,900.1110264,0001,266,219.9210/06/202610823,753465,157.59234,38686,265.4011/06/202614442,313799,511.93153,36164,233.1512/06/202615755,203988,542.88196,293114,186.4915/06/202697,666132,523.4717355,395968,979.3816/06/202614329,644518,061.4614932,053561,401.1317/06/202617542,866737,365.5318339,730684,989.2818/06/202616240,240687,034.85133,70264,211.1719/06/202615737,524641,631.7216139,373675,098.0922/06/202614641,665712,006.908127,183471,123.3423/06/202612734,859598,657.4218747,981826,814.9824/06/202613636,845640,248.475622,280388,686.4825/06/20266031,392542,883.1411446,456809,641.6626/06/20263318,779328,669.937439,487697,563.7229/06/20262535,495645,293.486759,3911,079,128.1830/06/20264239,556709,090.285039,556711,068.08

Attachment

  • DS:Half-year statement of the liquidity contract entered into with Oddo BHF SCA" rel="nofollow">3DS:Half-year statement of the liquidity contract entered into with Oddo BHF SCA