This is a brief historic of the Company:

 May 1998 – the Brazilian Government transferred to Tele Celular Sul Participações S.A. (“Tele Celular Sul” or the “Company”) the control of Telepar Celular S.A. (currently TIM Sul S.A), together with Telesc Celular S.A. and CTMR Celular S.A., also transferred to Tele Nordeste Celular Participações S.A., the control of Telpe Celular S.A. (currently TIM Nordeste Telecomunicações S.A., Telepisa Celular S.A., Teleceará Celular S.A., Telern Celular S.A., Telpa Celular S.A., and Telasa Celular S.A.

 July 1998 – The consortium formed by UGB Participações Ltda (“UGB”) and Bitel Participações S.A. (“Bitel”), acquired the control of the Company from the Brazilian Government, during the privatization process of the Telebrás System.

 September 1998 – Common and preferred stocks of Tele Celular Sul started being traded at the São Paulo Stock Exchange – Bovespa.

 November 1998 – The Company’s ADRs started being traded at the New York Stock Exchange – NYSE.

 December 1998 – UGB sold its stock participation in the Company to Bitel Participações S.A.

 March 1999 – Above-mentioned sale was effectively approved by Anatel and by the Brazilian Antitrust Body (“Cade”), being the Company, from that date, controlled by Telecom Italia Mobile, a company of the Telecom Italia Group

 April 2000 – The premium paid by Bitel Participações S.A. to acquire the control of Tele Celular Sul is transferred to the Company.

 June 2000 – Above-mentioned premium is transferred to Tele Celular Sul’s subsidiaries, in order to maximize fiscal gains through its amortization.

 January 2001 – TIM acquires licenses for operating “D” and “E” bands of the cell mobile telephony in Brazil, being the only group authorized to provide services all around the country, using the same brand in the various regions.

 September 2002 – The Company introduced the GSM (Global System for Mobile Communication) technology while launching business operations in the regions where it acquired licenses for Banda D and E.

 November 2002 – Subsidiaries were restructured through the exchange of Telesc Celular’s and CTMR Celular’s shares for stocks of Telepar Celular, resulting in a capital increase of Telepar Celular, while Telesc Celular and CTMR Celular became wholly-owned subsidiaries of Telepar Celular, instead of direct subsidiaries of Tele Celular Sul.

 December 2002 – The Company converted its respective concessions to operate in the Cellular Mobile Service (“SMC”) mode into authorizations to operate in the Personal Mobile Service (“SMP”) mode.

 July 2003 – The Company launched the Carrier Selection Code (CSP), through which the user may choose the long-distance service provider. The choice of a carrier for calls made from cell phones is part of the SMP’s requirements.

 July 2003 – The subsidiary Telepar Celular S.A. merged the accounting net assets of Telesc Celular S.A. and CTMR Celular S.A.. Additionally, Telepar Celular S.A. had its corporate name changed to TIM Sul S.A. (“TIM Sul”).

 August 2003 – The Company launches the GMS (Global System for Mobile Communication) technology in its operating market.

 September 2003 – Bitel merged TIM Brasil S.A. and its corporate name became TIM Brasil Serviços e Participações S.A.

 December 2003 – The Company sold its stake in Blah! Sociedade Anônima de Serviços e Comércio.

 January 2004 – subsidiary Telpe Celular S.A. incorporated the net assets of Telasa Celular S.A., Telpa Celular S.A., Telern Celular S.A., Teleceará Celular S.A., and Telepisa Celular S.A.. Additionally, Telpe Celular S.A. had its name changed to TIM Nordeste Telecomunicações S.A. (“TIM Nordeste”).

 August 2004 – the shareholders of Tele Nordeste Celular (TND) and of Tele Celular Sul (TSU) approved in the General Meeting the incorporation of TND by TSU . Additionally Tele Celular Sul changed its name to TIM Participações S.A.

 October 2004 – the shares of TIM Participações started to be negotiated at Bovespa, with exchange name TIM PART S.A., with the same tickers of Tele Celular Sul, that is, TCSL3 for ordinary shares and TCSL4 for preferred shares.

 October 2004 – the ADRs of TIM Participações are negotiated at the New York Stock Exchange (NYSE) keeping the ticker TSU.

 May 2005 – Approved the merger of all TIM Sul and TIM Nordeste shares by TIM Participações.

 July 2005 – TIM Sul and TIM Nordeste shares are no longer traded on Bovespa and SOMA, respectively.

 August 2005 – TIM Participações headquarters moved to Rio de Janeiro (RJ).

 December 2005 – CVM (Brazilian Stock Exchange Commission) granted delisting of TIM Nordeste Telecomunicações S.A. and TIM SUL S.A.

 January 2006 – The Board of Directors of TIM Participações S.A. (“TIM Part”) and TIM Celular S.A. (“TIM Cel”) approved the proposed merger transaction of TIM Participações and TIM Celular, contemplating the merger of shares of TIM Cel into TIM Part. Upon completion of the transaction TIM Cel will become a wholly owned subsidiary of TIM Part.

 March 2006 – The Extraordinary Shareholders’ Meeting approved the merger of all shares issued by TIM Cel into TIM Participações’ assets and liabilities, pursuant to the Protocol and Justification for the Merger of Shares entered into between the companies on January 31,2006, by converting TIM Cel into a wholly-owned subsidiary of TIM Participações.

 June 2006 – The mergers of TIM Sul S.A. with TIM Celular S.A. and TIM Nordeste Telecomunicações S.A. with Maxitel were completed. The incorporating companies, wholly-owened subsidiaries of TIM Participações S.A., are now called TIM Celular S.A. and TIM Nordeste S.A.

 May 2007 – TIM acquired the nationwide fixed telephony license.

 September 2007 – TIM acquired new lots of 900 Mhz and 1.8 Ghz frequencies relating to the frequency surplus (SMP) through the auction held by Anatel.

 December 2007 – TIM acquired the 3G frequencies at 1.9 GHz and 2.1 GHz for the whole of Brazil, except the Triângulo Mineiro region, which enables the Company to offer third generation services like mobile broadband in all the states.

 April 2008 – TIM started providing third generation services under the brand name of “TIM 3G+”. The new TIM 3G+ includes services such as: mobile broadband, video call and mobile TV. More over, TIM established partnerships resulting in alliances with the main internet and content companies, and Internet services for mobile phones as a way to provide exclusive and quality contents to its clients.

 July 2008 – TIM launches, in a partnership with HP, the first 100% connected laptop in Brazil, with modem and TIM Chip included.

 September 2008 – Debut of ‘TIM Fixo’, setting another milestone in the Company’s convergence strategy. Launching through an innovative offer in more than 300 cities in every Brazilian state, TIM becomes an alternative player in the fixed telephony market.

 December 2008 – TIM launches iPhone 3G, with exclusive offers especially customized to Apple’s revolutionary handset.

 March 2009 – Beginning of Brand repositioning. TIM changes its slogan to “Você, sem fronteiras.”

 April 2009 – TIM starts the renewal of its portfolio with the launching of “Infinity” plan.

 August 2009 – Anatel approves the acquisition of Intelig.

 December 2009 – Conclusion of Intelig’s acquisition process.

 May 2010 – Relaunch of Intelig’s brand with the media campaign “Intelig now is TIM”.

 June 2010 – Reach first place in market share for long distance, overtaking traditional competitors in the industry.

 July 2010 – Recast TIM Web offer, through the tariff by time of usage and not by volume of data traffic.

 August 2010 – Launch the data plans Infinity and Liberty Web, giving unlimited access to the Internet through mobile handsets for prepaid and postpaid customers, respectively.

 September 2010 – TIM is the first to launch the iPhone 4, reinforcing its position as innovative company.

 October 2010 – Launch of the Infinity Mais, that aggregate fixed termination within the concept of Infinity, paying only for the first minute call.

 November 2010 – TIM was included for the third year in a row in the portfolio of Bovespa’s Corporate Sustainability Index (ISE), comprised of only those companies with an exceptionally strong commitment to sustainability and social responsibility.

 December 2010 – Acquisition of 2G leftovers frequency, allowing TIM to expand the coverage and strengthen its presence in the north region and in the states of Parana, Santa Catarina and Minas Gerais.

 May 2011 – Board of Directors of TIM Participações has resolved upon: (1) the Company migration to the Novo Mercado; (2) the proposal of conversion of preferred shares into common shares of the Company at the ratio of 0,8406 newly issued ordinary shares of the Company to each preferred share of the Company (weighted average 60 days prior); and (3) authorize the Company Executive Board to start the negotiations with BM&FBOVESPA, the Brazilian Securities Commissions – CVM in view of the Company’s adhesion to the Regulation of Novo Mercado.

 June 2011 – it was approved at the Extraordinary General Shareholders’ Meeting of the Company the migration to the special listing segment called “Novo Mercado” of BM&FBovespa followed by the conversion of the total number of preferred shares into common shares of the Company, in the proportion of 0.8406 newly issued common shares for each preferred share of the Company.

 July 2011 – TIM Participações announces that its wholly-owned subsidiary TIM Celular S.A., as buyer, executed with Companhia Brasiliana de Energia (Brasiliana), as seller, an agreement having as purpose the acquisition of AES Atimus, an asset with an optical fiber network of 5.5 thousand kilometers in the metro areas of Rio de Janeiro and São Paulo.

 August 2011 – the Company starts to have only common shares traded on the Novo Mercado listing segment of BOVESPA, with the ticker “TIMP3” and American Depositary Receipts representing common shares issued by the Company on the New York Stock Exchange.

 October 2011 – Conclusion of the acquisition of Eletropaulo Telecommunications Ltda. and AES Communications Rio de Janeiro S.A. with the Companhia Brasiliana de Energia and closing of public offering of shares in issue of 200,258,368 ordinary shares at a price of R$ 8.60 totaling an amount of R$ 1,722,221,964.80.

 May 2012 – TIM conquered leadership in the prepaid segment.

 June 2012 – TIM acquires the 4G license in 2.5 GHz in a Anatel’s auction.

 August 2012 – TIM conquered second place in postpaid voice.

 October 2012 – Completion of the merger of TIM Fiber RJ and TIM Fiber SP into TIM Celular.

 November 2012 – Launch of Liberty Control Express plan that maintains the benefits of unlimited calls, simplifying purchasing a postpaid plan, the only requirement being to have a credit card.

 April 2013 – Launch of TIMmusic, app that provides access to millions of songs on your mobile.

 July 2013 – Instituto TIM creation. The entity has the mission to create and enhance resources and strategies for the democratization of science and innovation, to promote human development in Brazil, with mobile technology among the main enablers.

 October 2013 – Launch of Infinity Web + Torpedo, offer for prepaid customers with a daily fee for SMS and internet all day.

 May 2014 – Launch of Infinity Turbo 7, offer for postpaid customers with SMS and web for R$ 7 per 7 days usage.

 June 2014 – Launch of a daily Infinity offer for the prepaid segment, with a daily fee per day of use.

 July 2014 – Live TIM crossed 100 thousand customers milestone.

 September 2014 – TIM acquires the 4G license in 700 MHz in a Anatel’s auction.

 October 2014 – TIM launches an offer that allows customers to connect in up to four devices with only one data package, with no charge for additional chip.

 November 2014 – Controle WhatsApp plan launch. The new delivery model allows the user to send unlimited text and voice messages and photos through the app, with no bearing on the Internet allowance. Access to WhatsApp remains free and without speed reductions even if the customer reaches th allowance limit.

 June 2015 – Launch of Live TIM Blue Box, product that integrates digital TV in HD, cable TV, Netflix, YouTube and is part of TIM’s new fixed service portfolio.

 October 2015 – TIM announces a new portfolio to once again set forth a market revolution, breaking one of the last barriers of mobile telephony in Brazil: the high cost of off-net calls.

April 2016 – TIM changes its brand and its signature to “Evolve is to do things differently”.

December 2016: TIM launches the first 4G network in Fernando de Noronha (Pernambuco State) and reaches more than 1,200 cities covered with 4G technology by the end of 2016.

June 2017: Launch of TIM Black, postpaid concept with exclusive benefits and advantages, including unlimited call to all Brazilian operators.

November 2017: TIM confirmed for the 10th consecutive year in the ISE portfolio.

January 2018: TIM reinforces the benefits of the TIM Black plan with new partnerships outside the telecommunications sector – the telco launches the TIM PRA MIM relationship program, which offers discounts and exclusive advantages in several areas such as gastronomy, travel and entertainment.

February 2018: TIM enters into a memorandum of understanding (“MOU”) with Oi S.A. that opens a new cycle of planning of infrastructure sharing.

July 2018: TIM is the first telco to activate the commercial internet of things network on 4G. NB-IoT technology adopted by the operator enables the creation and development of solutions to smart cities.

Outubro 2018: The Company concludes the corporate reorganization project of its controlled companies TIM Celular S.A. (“TIM Celular”) and TIM S.A. (ex-Intelig Telecomunicações Ltda.), through the merger of TIM Celular S.A. into TIM S.A.

December 2018: TIM launches TIM Pré TOP, a new prepaid plan with a portfolio that presents new benefits and the only one in the market that offers social networks without discounting the data franchise.

December 2018: The Board of Directors’ of TIM Participações approves the first issuance of non-convertible debentures.

May 2019: TIM announces pilot projects of 5G tests in 3 cities.

June 2019: TIM introduces the concept of entertainment hub for the mobile market with the TIM Black Família launch.

July 2019: TIM Live crossed 500 thousand customers milestone.

November 2019: TIM confirmed for the 12th consecutive year in the ISE portfolio.

February 2020: Fitch assignes initial rating ‘AAA (bra)’ to TIM Participações S.A.

April 2020: Anatel approves the Network Sharing Agreement between TIM and Telefônica Brasil S.A.

April 2020: TIM announces that it has entered into an agreement with Google Cloud to use Google Cloud Platform (“GCP”) as its strategic cloud platform for Big Data.

June 2020: the Board of Directors of the Company approves the execution of a Conduct Adjustment Term (“TAC”), between Anatel and TIM S.A..

July 2020: The Company presents its new signature “Imagine the possibilities”.

July 2020: TIM reformulates TIM Black’s portfolio and brings offers with large data packages and internet that can be accumulated for the following month and international roaming. Customers also have exclusive access to TIM Black Tech Store to purchase the best technology products with special discounts.

August 2020: Launch of the new dynamic for TIM Pré TOP offer. The main actions and incentives: (i) Introduction of TIM+ Vantagens: the first advantage program for prepaid customers; (ii) TIM Beta – customers who make recurring recharges only through digital channels will have possibility to “evolve” into TIM Beta; and (iii) Data Stack – customers who accumulate at least R$ 30 in recharges in the month will be rewarded with a bonus of 1GB to use in the valid period of their offer.

August 2020: The Board of Directors of TIM Participações S.A. and TIM S.A. approves the merger of TIM Participações S.A.  into TIM S.A., and the latter become a company listed on the special listing segment ‘Novo Mercado’ of B3 SA – Brazil, Bolsa, Balcão (“B3”) and with American Depositary Receipts (“ADRs”) traded on the New York Stock Exchange – New York Stock Exchange (“NYSE”).

December 2020: TIM confirmed for the 13th consecutive year in the ISE portfolio.

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