Mill City Ventures III, Ltd.

We are thrilled to announce that today, Mill City Ventures III has rebranded as SUI Group Holdings. In connection with our new name, we have changed the ticker symbol for our common stock on the @Nasdaq to $SUIG. These changes will take place as of market open on August 26, 2025.

Growing investor engagement. Greater liquidity. $MCVT $SUI

Mill City Ventures' common stock is now available for trading on Cboe Global Markets! We are excited to offer investors a new way to manage risk, more flexible trading strategies, and expanded access to MCVT and our SUI treasury strategy. Read more: globenewswire.com/news-release/2…

💧Sui Season: Loading ███▒▒▒▒▒▒▒ $SUI $MCVT

@SuiFoundation 👇Read the full release: businesswire.com/news/home/2025…

🚨 SUI TREASURY UPDATE 🚨 $MCVT — the sole publicly-traded $SUI treasury with official @SuiFoundation backing — now holds 81.8M+ $SUI tokens worth $316M 💥Recently added >5.6M SUI at avg $3.65 💥Daily staking yield: ~$26K 💥Trading at 1.15x mNAV businesswire.com/news/home/2025…

Key Highlights: Treasury: MCVT held 81,871,794 SUI as of August 10, 2025.Since last update 5,600,607 SUI have been purchased at an average price of $3.65 per SUI. Net Asset Value: Using the August 10, 2025 price of $3.85 per SUI, the 81,871,794 SUI are valued at $316 million. SUI per Share: Using 89.08 million shares issued and outstanding on August 10, 2025, MCVT has approximately 0.92 SUI per common share, or $3.54 per common share. Staking: Substantially all of the Company’s SUI is now being staked, earning a ~3% yield. The current estimated daily yield is approx. $26,000. Valuation: Using the closing price of MCVT stock on August 8, 2025, MCVT is trading at an approximate mNAV of 1.15x, with calculation details in the Appendix below.

📰NEW: $MCVT Surpasses 81.8 Million $SUI in Its Treasury: businesswire.com/news/home/2025…

It should be noted that the Strategic Investor (Karatage Opportunities) and the Foundation Investor (Sui Foundation) remain subject to a 12-month lock-up as disclosed in the Offering documents. 2/2

MCVT today filed a resale S1 with the SEC which is subject to SEC approval. This is standard market practice to register shares after an offering and the Company is obligated to do so as per the Offering Documents. 1/2⬇️

$MCVT businesswire.com/news/home/2025… @millcity_3 @SuiNetwork @Karatage_

📰Mill City ($MCVT) Partners with Galaxy Digital for Treasury Management, Advancing Institutional-Grade Access to @SuiNetwork Blockchain @galaxyhq 🤝 @millcity_3 $SUI Read the release: businesswire.com/news/home/2025…

@galaxyhq @novogratz Having the support of Galaxy as both asset manager and investor is a major unlock. Their institutional-quality infrastructure will allow us to actively manage our #SUI treasury at $MCVT — for both today and tomorrow. Read the full announcement: businesswire.com/news/home/2025…

🚨MILL CITY PARTNERS WITH GALAXY DIGITAL FOR TREASURY MANAGEMENT🚨 Honored to have @galaxyhq as our asset manager to help scale our $SUI treasury. This partnership will get us closer to the Web3 only Sui makes possible. And it always helps to have @novogratz in your corner. 👇

What AWS has been for Web2, @SuiNetwork💧 is for Web3 — no one knows that better than @EmanAbio. Honored to be working alongside the talent building the future of the internet and bringing the next billion users to Web3. 🎙️Why #Sui is the next Amazon or Google of Web3: $MCVT

.@SuiNetwork is the only blockchain that can handle the scale tomorrow's developers need to bring Web3 to one billion users. That's why @millcity_3 is in this for the long haul. The companies already building on it are doing incredible work, and there's much more that's coming.

As I told @EmanAbio: If you think you missed out on @SuiNetwork, think again. It's only just getting started — and so are we. @galaxyhq $MCVT $SUI

Chatted with @zGuz on @coinage_media this morning about how crypto has a trillion-dollar, billion-user future–which only @SuiNetwork makes possible. The #Sui ecosystem offers things most other blockchains don’t. @millcity_3 is committed to it for the long-term, as it’s undeniable that it will be at the center of Web3’s growth. $MCVT

Study Sui 💧

Thanks for having me this morning, @zGuz and @coinage_media. The demand for crypto is growing, and $MCVT is the only way to access $SUI in an institutional-grade wrapper, managed by an active team with a deep belief in the blockchain’s future. The future of Web3 lies in @SuiNetwork, and we’re excited to be part of that.