A Wyoming LLC's annual fee is a minimum of $60 for the Annual Report, calculated as the greater of $60 or two-tenths of one mill ($0.0002) on your total Wyoming assets, plus a small processing fee (around $2-$4) for online filing. This mandatory fee keeps your LLC in good standing, with most small businesses paying just the $60 minimum unless they have over $300,000 in assets in the state. 
Key Details:
Minimum Fee: $60.
Asset-Based Calculation: If your assets in Wyoming exceed $300,000, the fee is $0.0002 multiplied by your total asset value (e.g., $1,210,000 x 0.0002 = $242).
Due Date: The first day of the LLC's anniversary month each year.
No Late Penalty Fees: Wyoming doesn't charge penalty fees for late annual reports, but your LLC can be dissolved by the Secretary of State if filed over 60 days late.