Benchmark 2018-B8 Mortgage Trust Annual Report - Your Investor Guide

Unlock a clear understanding of the Benchmark 2018-B8 Mortgage Trust's performance and operations for the fiscal year ending December 31, 2025. This summary provides retail investors with essential financial insights, operational details, and potential risks of this complex investment.

Business Overview (What the Trust Does)

What is Benchmark 2018-B8 Mortgage Trust?

Benchmark 2018-B8 Mortgage Trust is a Commercial Mortgage-Backed Securities (CMBS) trust. This means it is a financial vehicle that holds a diversified portfolio of commercial mortgage loans. Instead of owning entire properties, the trust owns "slices" or participations in loans made to developers and businesses for various commercial properties, such as office buildings, shopping malls, industrial sites, and hotels. J.P. Morgan Chase Commercial Mortgage Securities Corp. originally pooled and securitized these loans, with significant contributions from major financial institutions like JPMorgan Chase, Goldman Sachs, and Citi Real Estate Funding.

The Trust's Loan Portfolio: A Snapshot

The trust's performance depends directly on the health of its underlying commercial mortgage loans. While the initial composition at the "cut-off date" (when the trust was formed) provides a baseline, investors need to understand the current state of the portfolio.

Key Portfolio Characteristics (as of December 31, 2025):

• Property Type Diversification: The trust's exposure to different commercial real estate sectors.
  • Original Examples:
    • Aventura Mall Mortgage Loan (Retail): Originally ~5.7% of the pool.
    • Staples Strategic Industrial Mortgage Loan (Industrial): Originally ~5.3%.
    • Workspace Mortgage Loan (Office): Originally ~3.8%.
    • DUMBO Heights Portfolio Mortgage Loan (Mixed-Use): Originally ~2.9%.
    • Moffett Towers & TripAdvisor HQ Mortgage Loans (Office): Originally ~4.5% and ~2.2% respectively.
    • Saint Louis Galleria Mortgage Loan (Retail): Originally ~5.2%.

For many loans, the trust owns only a portion of the total debt. These are often "pari passu" loans, meaning the trust shares repayment priority equally with other investors who hold other pieces of the same loan. This structure means that while the trust benefits from diversification, its recovery in a default scenario is shared proportionally with other lenders.

Who Manages the Loans?

Effective loan management is critical. Several entities play distinct roles:

• Primary Servicers: These companies handle the day-to-day collection of payments, property inspections, and borrower communication.
  • Trimont LLC took over as the primary servicer for several key loans (including Aventura Mall, Moffett Towers, TripAdvisor HQ) starting March 1, 2025, replacing Wells Fargo Bank, National Association. This transition represented a significant operational change during the fiscal year.
  • KeyBank National Association continues to serve as primary servicer for other loans, such as Workspace and Saint Louis Galleria.
• Master Servicer: PNC Bank, National Association (Midland Loan Services) acts as the Master Servicer for the entire Benchmark 2018-B8 trust. Their role is to oversee the primary servicers, ensure compliance with trust agreements, and aggregate reporting. For the fiscal year 2025, Midland Loan Services certified that it fulfilled all its obligations, demonstrating robust oversight.
• Special Servicers: When a loan experiences significant distress (e.g., delinquency, default, or imminent default), a special servicer steps in. Their goal is to maximize recovery for the trust, which might involve loan modifications, foreclosure, or property disposition.
  • CWCapital Asset Management LLC is the special servicer for a substantial portion of the loans.
  • KeyBank National Association also special services the Workspace Mortgage Loan.
  • Rialto Capital Advisors, LLC is the special servicer for the TripAdvisor HQ and Moffett Towers E, F, G Mortgage Loans.
• Custodians & Trustees: Wells Fargo Bank and Wilmington Trust serve as custodians and trustees. They hold loan documents and ensure the trust operates according to its governing documents.

Management's Discussion and Analysis (MD&A) Highlights

The MD&A section offers management's perspective on the trust's financial condition and operational results, highlighting significant events and trends.

• Operational Review: The Master Servicer, PNC Bank (Midland Loan Services), certified its fulfillment of obligations for 2025, demonstrating adherence to the Pooling and Servicing Agreement. A significant operational change involved the transition of primary servicing for several key loans to Trimont LLC from Wells Fargo Bank, National Association, effective March 1, 2025. This transition aimed to ensure continuity and efficiency in loan administration.
• Liquidity and Capital Resources (Financial Health): The trust's primary liquidity stems from cash flow generated by its underlying mortgage loans. The trust maintains various reserve accounts as required by the Pooling and Servicing Agreement to cover potential shortfalls or expenses. Timely distributions to certificate holders depend directly on the loan portfolio's performance and available funds after covering trust expenses. The credit enhancement structure provides a layer of protection for senior certificate holders against losses, thereby affecting the financial health of different tranches.

Key Risks for Investors

Investing in CMBS trusts involves inherent risks investors must understand:

• Commercial Real Estate Market Risk: Economic conditions, interest rate fluctuations, and local market dynamics affect the value and performance of underlying properties. An economic downturn, rising interest rates, or oversupply in specific property sectors (e.g., office, retail) could negatively impact property cash flows and borrower repayment ability.
• Borrower Default Risk: Borrowers may fail to make mortgage payments, leading to potential trust losses. High LTVs or low DSCRs exacerbate this risk.
• Refinancing Risk: Many commercial loans have balloon payments at maturity. If property values decline or interest rates rise, borrowers may struggle to refinance, leading to default.
• Servicing Risk: While multiple servicers are involved, ineffective or delayed servicer action in managing distressed loans can exacerbate losses.
• Concentration Risk: While diversified, significant exposure to a particular property type or geographic region poses a risk if that sector or region experiences a downturn.
• Interest Rate Risk: For floating-rate loans, rising interest rates can increase borrower debt service, potentially affecting their ability to pay.

Future Outlook

The trust's primary objective is to collect principal and interest payments from its underlying mortgage loans and distribute these funds to certificate holders, following the waterfall structure defined in its pooling and servicing agreement. The Master Servicer actively monitors the portfolio, and special servicers proactively manage distressed assets to maximize recovery.

Competitive Position

A Commercial Mortgage-Backed Securities (CMBS) trust, such as Benchmark 2018-B8 Mortgage Trust, is a passive investment vehicle that holds a pool of mortgage loans. It does not operate like a traditional business that competes for market share, customers, or revenue. Therefore, a "Competitive Position" section is not applicable and typically not disclosed in a CMBS trust's 10-K filing. Its performance is measured against the performance of its underlying assets and the broader CMBS market, rather than against direct competitors.

Conclusion for Investors

Benchmark 2018-B8 Mortgage Trust offers investors exposure to a diversified portfolio of commercial mortgage loans. Its operational structure and management roles are clearly defined, providing a framework for how the trust manages its assets. To make informed investment decisions, it's crucial to understand the underlying property markets and specific loan characteristics. Always review the full 10-K filing for comprehensive details and any available financial performance metrics.