🧾 What This Document Is

This is a Form 6-K, a standard report foreign companies like Brazil's TIM S.A. file with the U.S. Securities and Exchange Commission (SEC). Think of it as a formal "heads-up" to the U.S. market.

👉 In simple terms: It's an official notice announcing that TIM has filed its comprehensive annual financial report (the Form 20-F) for 2025. This 6-K itself contains no financial results; it's the announcement that the full report is ready and available.

🏢 What The Company Does

In simple terms: TIM S.A. is one of Brazil's largest telecommunications companies. They provide mobile phone, data, and broadband services to millions of customers across the country.

• Stock Listings: It trades in Brazil as TIMS3 and on the New York Stock Exchange as TIMB.
• The Business: They compete in the dynamic Brazilian telecom market, selling plans to individuals and businesses, much like AT&T or Verizon does in the U.S.

📢 The Core Announcement

The entire purpose of this filing is simple and direct:

• What: TIM has filed its annual report on Form 20-F for the year ended December 31, 2025.
• When: The filing was made on March 30, 2026.
• Where: The report is now available to the public on the SEC's website and on TIM's Investor Relations page: www.tim.com.br/ir.

🔍 Where to Find the Details & Get Help

This notice tells you exactly how to access the full report and get answers.

• Online: The Form 20-F can be downloaded from TIM's Investor Relations website.
• Hard Copy: Shareholders can request a free printed copy of the complete financial statements by emailing [email protected].
• Questions: For more information, you can contact the Investor Relations Team or specifically Mr. Vicente de Moraes Ferreira, the Investor Relations Officer, using the email above.

📅 Why This Timing Matters

Filing the annual Form 20-F is a critical compliance deadline for foreign companies listed in the U.S.

• The Rule: Companies typically have 120 days after their fiscal year ends to file this report with the SEC.
• TIM's Timing: With a fiscal year ending December 31, 2025, the deadline would have been around early May 2026. Filing on March 30, 2026, shows they met their obligation well ahead of schedule.
• What's in the 20-F: This report contains everything an investor needs: audited financials, risk factors, management discussion, and business details. This 6-K is just the pointer to that treasure trove of information.

⚖️ The Bigger Picture & What to Do Next

For an investor or analyst, this filing is a routine but essential administrative step. It doesn't move the stock price on its own, but it's the gateway to the data that will.

• 👍 Strength: It demonstrates compliance and transparency with U.S. regulators and shareholders.
• ⚠️ Risk: The real insights into TIM's performance, challenges, and strategy are inside the Form 20-F, not in this announcement. To understand the company's health, you must read that document.
• Next Move: If you are interested in TIMB, this is your cue to go read the full 20-F report to see their 2025 financial results, debt levels, and strategic outlook.

🧠 The Analogy

Think of this Form 6-K like a "Now Available" sticker on the door of a library. It tells you that the important book (the Form 20-F annual report) has been delivered and is sitting on the shelf, ready for you to check out and read. The sticker itself isn't the story; it's the notice that the story is ready for you.

📇 Key Contacts & People

• Investor Relations Email: [email protected]
• Investor Relations Officer: Mr. Vicente de Moraes Ferreira
• Chief Executive Officer, Chief Financial Officer & Investor Relations Officer (who signed the filing): Alberto Mario Griselli
• Company Address: João Cabral de Melo Neto Avenue, 850 – North Tower – 12th floor, 22775-057 Rio de Janeiro, RJ, Brazil

🧩 Final Takeaway

This is a standard regulatory notice from TIM S.A. confirming it has filed its detailed 2025 annual financial report with the SEC. The key takeaway for investors is: the full financial story is now public—go read the Form 20-F.