Dear Sir/Madam, This is to inform you that as per the applicable provisions of SEBI (Prohibition of Insider Trading Regulations) 2018 ('PIT Regulations') as amended from time to time and as per the Code of Conduct of the Company adopted under the said Regulations ('the Code'), the trading window for dealing in the securities of the Company shall remain closed w.e.f. July 1, 2022 for the purpose of Financial Results for the quarter ended June 30, 2022 and shall reopen only on completion of 48 hours from the declaration of Financial Results for the quarter ended on June 30, 2022. This is for your information , record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Pursuant to directions issued by SEBI vide its Circular No. CIR/CFD/CMD1/27/2019 dated February 8, 2019, as amended from time to time, we hereby submit the Annual Secretarial Compliance Report issued by Dr. S. K. Jain, Practising Company Secretary on May 24, 2022 in respect of the Company for the Financial Year 2021-22. This is for your information, records and necessary dissemination

Dear Sir/Madam, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, Please find enclosed herewith Investor Presentation. The same will also be available on the website of the Company at www.blackbox.com. This is for your information, record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Pursuant to the provisions of Regulation 23(9) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby submit the disclosure of Related Party Transactions ("RPTs") of Black Box Limited (Formerly known as AGC Networks Limited) {"the Company"), on consolidated basis, for the half-year ended March 31, 2022, attached herewith. The said disclosure has been published on the website of the Company at www.blackbox.com This is for your information, record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Please find attached herewith the Press Release for Audited Financial Results (Standalone and Consolidated) of the Company for the quarter/period ended March 31, 2022. This is for your information, record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Pursuant to Regulation 47 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed herewith clippings of the Newspaper Advertisement(s) published on Sunday, May 29,2022, in The Free Press Journal, english edition and Navshakti, marathi edition with respect to Notice of the meeting of Board of Directors of Black Box Limited (Formerly Known as AGC Networks Limited) ('the Company') held on Friday, May 27, 2022.

Dear Sir/Madam, As per the SEBI Circular No. CIR/CFD/CMD1/162/2019 dated December 24, 2019, issued by the SEBI titled "Format on Statement of Deviation or Variation for proceeds of public issue, rights issue, preferential issue, Qualified Institutions Placement (QIP) etc." and pursuant to Regulation 32 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, enclosed herewith is a Nil statement issued by the Company on the captioned subject for the quarter ended March 31, 2022. This is for your information, record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Please Find enclosed herewith Audited Financial Results (Standalone & Consolidated) for the Quarter/Year Ended March 31, 2022. This is for your information, Record and necessary dissemination to all the stakeholders.

Dear Sir/Madam, Please find enclosed herewith Outcome of the Board meeting held on May 27, 2022 including Audited Financial (Standalone & Consolidated) results for the Quarter/Year ended March 31, 2022 as approved by the Audit Committee and Board of Directors at their respective meetings held on May 27, 2022. This is for your information, record and necessary dissemination to all the stakeholders.

The Exchange has received the disclosure under Regulation 29(2) of SEBI (Substantial Acquisition of Shares & Takeovers) Regulations, 2011 for Essar Telecom Ltd & PAC