Tidal Trust IV 485BPOS

Exhibit 99.(h)(i)(viii)

EIGHTH AMENDMENT

TO THE FUND ADMINISTRATION SERVICING AGREEMENT

THIS EIGHTH AMENDMENT, effective as of October 16, 2026, to the Fund Administration Servicing Agreement (the “Agreement”) dated as of April 15, 2025, by and between Tidal Trust IV, a Delaware statutory trust (the “Trust”), Tidal ETF Services LLC, a Delaware limited liability company (“Tidal”) and Tidal Investments LLC (the “Adviser”), solely in respect of the rights and obligations set forth in Section 4 and applicable provisions of Section 12 and 13 of the Agreement.

RECITALS

WHEREAS, the parties have entered into the Agreement; and

WHEREAS, the parties desire to amend the Agreement to update Exhibit A to:

Add the following funds:

Buffered Bulldog ETF by C.J. Lawrence, a division of Apollon

Emerging Markets Optical & Photonics ETF 

Manifold Equity Market Neutral ETF

Reflect a name change for the following funds:

VegaShares SpaceX & Beyond Earth ETF to VegaShares Space & AI ETF

VegaShares X & Creatorverse ETF to VegaShares Creatorverse ETF

VegaShares AI Metals, Miners & Materials ETF to VegaShares AI Advanced Materials ETF

VegaShares AI Storage ETF to VegaShares AI Hard Drive ETF

VegaShares AI Testing Equipment ETF to VegaShares AI Automated Test Equipment ETF

VegaShares Silicon Silicates ETF to VegaShares Semiconductor Materials ETF

China AI Tigers ETF to China AI Tigers LLM ETF

WHEREAS, Section 11 of the Agreement allows for its amendment by written agreement executed by the Trust and Tidal and approved by the Board of Trustees of the Trust.

NOW, THEREFORE, the parties agree as follows:

Exhibit A of the Agreement is hereby superseded and replaced in its entirety with Amended Exhibit A attached hereto.

Except to the extent amended hereby, the Agreement shall remain in full force and effect.

IN WITNESS WHEREOF, the parties hereto have caused this First Amendment to be executed by a duly authorized officer on one or more counterparts as of the date and year first written above.

Amended Exhibit A

to the

Fund Administration Servicing Agreement

Separate Series (Funds) of Tidal Trust IV

Name of Series

Defiance AI HyperScale Leaders ETF

Voya Multi-Sector Income ETF 

Voya Ultra Short Income ETF 

Voya Core Bond ETF 

Portfolio Building Block European Banks Index ETF 

Portfolio Building Block World Pharma and Biotech Index ETF 

Portfolio Building Block Integrated Oil and Gas and Exploration and Production Index ETF 

Portfolio Building Block World Ex US Industrials ETF 

Portfolio Building Block US Banks ETF 

Portfolio Building Block World Consumer Staples ETF 

Portfolio Building Block 1X Inverse US Large Cap Daily Target ETF 

Portfolio Building Block 1X Inverse US Growth Daily Target ETF 

Portfolio Building Block 1X Inverse US Value Daily Target ETF 

Portfolio Building Block 1X Inverse Developed Markets Ex US Daily Target ETF 

Portfolio Building Block Tactical Multipurpose ETF

LOGIQ Contrarian Opportunities ETF

VegaShares AI Advanced Materials

VegaShares Space & AI ETF

VegaShares Creatorverse

VegaShares AI Inference ETF

VegaShares AI Advanced Materials ETF

VegaShares Junior AI ETF

VegaShares AI Hard Drive ETF

VegaShares Trillions ETF

VegaShares AI Thermal, Cooling & Power Management ETF

VegaShares AI Networking ETF

VegaShares AI Rack Hardware ETF

VegaShares AI Fab Equipment ETF

VegaShares AI Compute ETF

VegaShares AI Advanced Chip Packaging ETF

VegaShares AI Inference Infrastructure ETF

VegaShares AI On-Devices ETF

VegaShares Cross Asset Premium Income ETF

VegaShares Short Volatility Premium Income ETF

VegaShares Triple Source Income ETF

VegaShares AI Energy ETF

VegaShares Multilayer Ceramic Capacitors ETF

VegaShares Printed Circuit Boards ETF

VegaShares AI Automated Test Equipment ETF

VegaShares Edge AI ETF

VegaShares Semiconductor Materials ETF

VegaShares Silicon Wafers ETF

VegaShares AI Advanced Chip Packaging ETF

Emerging Markets AI ETF

Emerging Markets AI MAG 3 ETF

Emerging Markets Memory ETF

Emerging Markets Semiconductor ETF

China AI Tigers LLM ETF

China AI ETF

Emerging Markets GPUs ETF

Emerging Markets Optical & Photonics ETF 

DailyDelta Nasdaq 100® Call Options Strategy ETF

DailyDelta Nasdaq 100® Put Options Strategy ETF

DailyDelta SP500 Call Options Strategy ETF  

DailyDelta SP500 Put Options Strategy ETF  

DailyDelta R2000 Call Options Strategy ETF

DailyDelta R2000 Put Options Strategy ETF  

DailyDelta Bitcoin Call Options Strategy ETF

DailyDelta Bitcoin Put Options Strategy ETF

Raub Brock Dividend Growth ETF

MayTech Global Growth ETF

Portfolio Building Blocks Tactical Multipurpose ETF

Buffered Bulldog ETF by C.J. Lawrence, a division of Apollon

Manifold Equity Market Neutral ETF