Announcement PDF 603 Page 1 of 2 15 July 2001 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Atomos Limited (ASX:AMS) ACN/ARSN ACN: 139 730 500 1. Details of substantial holder (1) Name Wilson Asset Management Group (refer entities listed in Annexure A) ACN/ARSN (if applicable) The holder became a substantial holder on 31/03/2021 2. Details of voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows: Class of securities (4) Number of securities Ordinary Shares 11,731,280 Person's votes (5) 11,731,280 Voting power (6) 5.37% 3. Details of relevant interests The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows: Holder of relevant interest Nature of relevant interest (7) Class and number of securities Annexure C 4. Details of present registered holders The persons registered as holders of the securities referred to in paragraph 3 above are as follows: Holder of relevant interest Registered holder of securities Person entitled to be registered as holder (8) Class and number of securities Annexure C 5. Consideration The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows: Holder of relevant interest Date of acquisition Consideration (9) Cash Annexure B Class and number of securities Non-cash 603 Page 2 of 2 15 July 2001 6. Associates The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows: Name and ACN/ARSN (if applicable) Nature of association n/a 7. Addresses The addresses of persons named in this form are as follows: Name Address Refer Annexure A Signature print name Martyn McCathie sign here capacity Head of Operations date 06/04/2021 DIRECTIONS (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 7 of the form. (2) See the definition of "associate" in section 9 of the Corporations Act 2001. (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001. (4) The voting shares of a company constitute one class unless divided into separate classes. (5) The total number of votes attached to all the voting shares in the company or voting interests in the scheme (if any) that the person or an associate has a relevant interest in. (6) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100. (7) Include details of: (a) any relevant agreement or other circumstances by which the relevant interest was acquired. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies). See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (8) If the substantial holder is unable to determine the identity of the person ( eg. if the relevant interest arises because of an option) write "unknown". (9) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. Annexure A Wilson Asset Management Group 1. Details of Wilson Asset Management Group Name Wilson Asset Management (International) Pty Limited MAM Pty Limited WAM Capital Limited WAM Research Limited WAM Active Limited Botanical Nominees Pty Limited as trustee of the Wilson Asset Management Equity Fund WAM Leaders Limited WAM Microcap Limited WAM Global Limited WAM Alternative Assets Limited 6. Addresses Name Address Wilson Asset Management (International) Pty Limited MAM Pty Limited WAM Capital Limited WAM Research Limited WAM Active Limited Botanical Nominees Pty Limited WAM Leaders Limited WAM Microcap Limited WAM Alternative Assets Limited WAM Global Limited Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 Level 26,1 Farrer Place, Sydney, NSW 2000 HSBC Custody Nominees (Australia) Limited Level 32, 580 George Street, Sydney NSW 2000 Signed: _______________________ Date: 06/04/2021 ACN / ARSN (ACN 081 047 118) (ACN 100 276 542) (ACN 086 587 395) (ACN 100 504 541) (ACN 126 420 719) (ACN 081 032 000) (ACN 611 053 751) (ACN 617 838 418) (ACN 624 572 925) (ACN 168 941 704) ANNEXURE B Date of Change Persons whose relevant interest changed Nature of Change Consideration given in relation to change (9) Number of Securities affected Class of Securities affected Persons votes affected 30-Nov-20 WAM Microcap Limited 14-Dec-20 WAM Microcap Limited 15-Dec-20 WAM Microcap Limited 18-Dec-20 WAM Microcap Limited 07-Jan-21 WAM Microcap Limited 12-Jan-21 WAM Microcap Limited 27-Jan-21 WAM Microcap Limited 28-Jan-21 WAM Microcap Limited 29-Jan-21 WAM Microcap Limited 01-Feb-21 WAM Microcap Limited 03-Feb-21 WAM Microcap Limited 04-Feb-21 WAM Microcap Limited 05-Feb-21 WAM Microcap Limited 22-Feb-21 WAM Capital Limited 22-Feb-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 22-Feb-21 Wilson Asset Management Equity Fund 26-Feb-21 WAM Capital Limited 26-Feb-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 26-Feb-21 Wilson Asset Management Equity Fund On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase (98,161.70) (88,059.12) (193,082.84) (223,505.45) (54,213.85) (124,492.37) (144,313.35) (218,027.56) (221,141.05) (71,509.12) (139,637.10) (313,660.65) (480,792.00) (3,802,443.60) (236,388.03) 100,000 Ordinary Shares 93,785 Ordinary Shares 206,320 Ordinary Shares 258,611 Ordinary Shares 50,000 Ordinary Shares 126,180 Ordinary Shares 157,202 Ordinary Shares 242,798 Ordinary Shares 250,002 Ordinary Shares 86,024 Ordinary Shares 150,000 Ordinary Shares 337,254 Ordinary Shares 500,000 Ordinary Shares 3,717,286 Ordinary Shares 231,094 Ordinary Shares 100,000 93,785 206,320 258,611 50,000 126,180 157,202 242,798 250,002 86,024 150,000 337,254 500,000 3,717,286 231,094 On Market Purchase On Market Purchase On Market Purchase (155,093.39) (149,617.05) (9,301.30) 151,620 Ordinary Shares 149,580 Ordinary Shares 9,299 Ordinary Shares 151,620 149,580 9,299 On Market Purchase (6,102.51) 6,101 Ordinary Shares 6,101 04-Mar-21 WAM Microcap Limited 05-Mar-21 WAM Microcap Limited 08-Mar-21 WAM Microcap Limited 09-Mar-21 WAM Microcap Limited 11-Mar-21 WAM Microcap Limited 12-Mar-21 WAM Microcap Limited 25-Mar-21 WAM Active Limited 26-Mar-21 WAM Microcap Limited 26-Mar-21 WAM Capital Limited 26-Mar-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 26-Mar-21 Wilson Asset Management Equity Fund On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase On Market Purchase (169,151.66) (73,377.27) (147,603.14) (19,271.67) (95,467.27) (97,530.67) (101,493.69) (15,348.00) (22,367.17) (1,812.72) 170,665 Ordinary Shares 76,000 Ordinary Shares 150,000 Ordinary Shares 19,598 Ordinary Shares 100,000 Ordinary Shares 100,000 Ordinary Shares 115,000 Ordinary Shares 17,086 Ordinary Shares 24,900 Ordinary Shares 2,018 Ordinary Shares 170,665 76,000 150,000 19,598 100,000 100,000 115,000 17,086 24,900 2,018 On Market Purchase (932.42) 1,038 Ordinary Shares 1,038 29-Mar-21 WAM Microcap Limited 29-Mar-21 WAM Capital Limited 29-Mar-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 29-Mar-21 Wilson Asset Management Equity Fund 31-Mar-21 WAM Microcap Limited 31-Mar-21 WAM Capital Limited 31-Mar-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 31-Mar-21 Wilson Asset Management Equity Fund 01-Apr-21 WAM Microcap Limited On Market Purchase On Market Purchase On Market Purchase (24,077.66) (76,896.92) (6,693.85) 26,427 Ordinary Shares 84,400 Ordinary Shares 7,347 Ordinary Shares 26,427 84,400 7,347 On Market Purchase On Market Purchase On Market Purchase On Market Purchase (2,934.65) (180,861.17) (431,753.01) (36,517.03) 3,221 Ordinary Shares 203,842 Ordinary Shares 486,613 Ordinary Shares 41,157 Ordinary Shares 3,221 203,842 486,613 41,157 On Market Purchase On Market Purchase (16,314.96) (15,589.38) 18,388 Ordinary Shares 17,293 Ordinary Shares 18,388 17,293 On Market Purchase On Market Purchase (60,012.76) (5,019.47) 66,571 Ordinary Shares 5,568 Ordinary Shares 66,571 5,568 On Market Purchase (2,170.78) 2,408 Ordinary Shares 2,408 01-Apr-21 WAM Capital Limited 01-Apr-21 WAM Active Limited Botanical Nominees Pty Limited as trustee of the 01-Apr-21 Wilson Asset Management Equity Fund Signed: _______________________ Date: 06/04/2021 ANNEXURE C Registered Holder of Securities Botanical Nominees Pty Limited as trustee of the Wilson Asset Management Equity Fund WAM Active Limited HSBC Custody Nominees (Australia) Limited Management of portfolio of Botanical Nominees Pty Limited as trustee of the Wilson Asset Management Equity Fund HSBC Custody Nominees (Australia) Limited Management of portfolio of WAM Active Limited Management of portfolio of WAM Capital WAM Capital Limited Limited Management of portfolio of WAM Microcap WAM Microcap Limited Limited WAM Capital Limited HSBC Custody Nominees (Australia) Limited WAM Microcap Limited HSBC Custody Nominees (Australia) Limited Signed: _______________________ Date: 06/04/2021 Nature of relevent interest (7) Person entitled to be registered as holder (8) Holder of Relevant Interest Class and Number of Securities Botanical Nominees Pty 182,776 ordinary shares Limited as trustee of the Wilson Asset Management Equity Fund WAM Active Limited 411,483 ordinary shares 4,529,350 ordinary shares 6,607,671 ordinary shares