Custodian Attestations of Assets Backing USDh: June 2026

To provide transparency into the USDh protocol’s backing assets, we are sharing our June 2026 attestation report from all integrated custodians. The report verifies that the assets backing USDh reside off-exchange within institutional custodial solutions.

Attestation reports are released monthly to provide regular updates on the amount and location of the assets backing the protocol.

As of 17:00 UTC June 30, 2026, USDh supply was $2,465,576.78 per the sources below.

2,465,576.78 USDh on Stacks per the Stacks explorer link:

https://explorer.hiro.so/token/SPN5AKG35QZSK2M8GAMR4AFX45659RJHDW353HSG.usdh-token-v1?chain=mainnet

$57,141.30 has been verified to be held within solutions offered by Copper as of 17:00 UTC June 30, 2026, including unrealized P&L.

At 17:00 UTC June 30, 2026, there was $101,765.77 in the Redeeming Reserve on Stacks, $2,303,829.94 in the Ethereum Settlement Wallet, $0.00 in the Mint Wallet, and $114,244.22 in the Reserve Fund.

• Redeeming Reserve Stacks: SPN5AKG35QZSK2M8GAMR4AFX45659RJHDW353HSG.redeeming-reserve-v1–2
• Ethereum Settlement Wallet: 0xdDf6954BA51958DB59f32369309212aa0735a60e
• Mint Wallet: 0x6aA30bB7C64F43a3316d5E522ce01096557E5891
• Reserve Fund: 0xB7Fc1162B65a4a01F0924dDa980D52B629fEa9a6

The 24,137 STRCx in the Ethereum Settlement Wallet are worth $2,010,088.25 at $83.28 per share with a 1.0578440 multiplier per the Ethereum explorer link: https://etherscan.io/address/0x5f7eCD0D045c393da6cb6c933c671AC305A871BF#readContract

In summary, as of the snapshot time:

• USDh supply: $2,465,576.78
• Copper custodied assets: $57,141.30
• Ceffu custodied assets: $0.00
• Redeeming Reserve Stacks: $101,765.77
• Ethereum Settlement Wallet: $2,303,829.94
• Minting Wallet: $0.00
• Total backing assets: $2,576,981.22
• Reserve Fund: $114,244.22
  • USDC: $100,148.12
  • USDh: $14,096.10
• Total % of USDh: 103.92%