M&G INVESTMENT MANAGEMENT LTD

SEC source: 0001567619-22-018100 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 5,197,349

F1 · security: Each share representing one ordinary share.

F2 · ownership.nature: The reported securities are held directly by M&G ACS, advised by M&G Investment Management Limited. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a)(2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-014235 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,625,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,834,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 2,967,311 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 69,087 ordinary shares in Trinseo PLC. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds.

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-008055 · doc1.xml · nonDerivative · entry 3

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,628,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,834,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 2,970,311 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 69,087 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-008055 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,619,894

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,834,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 2,970,311 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 69,087 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-008055 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,700,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,834,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 2,970,311 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 69,087 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-006877 · doc1.xml · nonDerivative · entry 3

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,628,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,762,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,050,461 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 60,937 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-006877 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,762,744

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,762,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,050,461 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 60,937 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-006877 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,758,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,762,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,050,461 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 60,937 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-004669 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnotes

Disclosed balance after: 7,628,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,632,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,185,161 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 56,237 ordinary shares in Trinseo PLC.

F2 · ownership.nature: The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-22-003942 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,631,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,632,120 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,188,161 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,754,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 56,237 ordinary shares in Trinseo PLC. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for

SEC source: 0001567619-21-020642 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited ("M&G"): (i) M&G (Lux) Investment Funds 1 holds 2,609,620 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,233,461 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,738,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 52,437 ordinary shares in Trinseo PLC. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-020642 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited ("M&G"): (i) M&G (Lux) Investment Funds 1 holds 2,609,620 ordinary shares in Trinseo PLC.; (ii) M&G Global Dividend Fund directly holds 3,233,461 ordinary shares in Trinseo PLC.; (iii) LF Access Global Dividend Fund directly holds 1,738,526 ordinary shares in Trinseo PLC; and (iv) Fund Channel Investment Partners - FCH M&G Global Dividend directly holds 52,437 ordinary shares in Trinseo PLC. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-016454 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F2 · kind: Internal cross trade.

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,465,898 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,668,526 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-016454 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F2 · kind: Internal cross trade.

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,465,898 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,668,526 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-014715 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F2 · kind: Internal cross trade.

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,507,887 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,626,537 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-014715 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F2 · kind: Internal cross trade.

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,507,887 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,626,537 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-011486 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,634,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,554,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-009185 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,637,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,557,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-009185 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,642,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,557,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-009057 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,647,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,567,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008855 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 1,088,597

F1 · security: Each representing one ordinary share.

F2 · ownership.nature: The reported securities are held directly by M&G ACS, advised by M&G Investment Management Limited. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a)(2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008710 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,650,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,570,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008617 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,652,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,572,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008562 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,655,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,575,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008441 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,658,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,578,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-008096 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,661,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,581,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-007123 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,664,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,584,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006668 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,666,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,586,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006568 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,669,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,589,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006159 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,671,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,591,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006076 · doc1.xml · nonDerivative · entry 3

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,674,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,594,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006076 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,676,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,594,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-006076 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,679,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,594,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-005891 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,682,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,602,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-005621 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,685,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,605,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-005621 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,687,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,605,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-005242 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,690,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,610,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-005242 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,692,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,610,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004870 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,695,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,499,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004642 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,700,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,504,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004642 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,702,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,504,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004543 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,707,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,511,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004543 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,712,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,511,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004184 · doc1.xml · nonDerivative · entry 2

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,714,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,518,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-004184 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,717,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,518,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-003357 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,720,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,524,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-002539 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,722,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,526,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-002380 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,725,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,529,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-001933 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,728,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,532,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001567619-21-001695 · doc1.xml · nonDerivative · entry 1

M&G INVESTMENT MANAGEMENT LTD · CIK 0000922898 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Please see footnote

Disclosed balance after: 7,731,044

F1 · ownership.nature: The reported securities are held directly by certain funds advised by M&G Investment Management Limited, (i) M&G (Lux) Investment Funds 1 holds 2,535,620 ordinary shares in Trinseo S.A.; (ii) M&G Global Dividend Fund directly holds 3,615,353 ordinary shares in Trinseo S.A.; and (iii) LF Access Global Dividend Fund directly holds 1,580,071 ordinary shares in Trinseo S.A. The reported securities may be deemed beneficially owned for the purposes of Section 13(d) of the Securities Exchange Act 1934 by M&G Investment Management Limited as investment manager to these funds. The Reporting Person disclaims beneficial ownership of the securities for purposes of Rule 16a-1(a) (2) and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.