Centennial Securities Company Inc

• A percentage of assets under your management
• Hourly charges
• Fixed fees (other than subscription fees)

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

The brochure lists different fees for different services or strategies; see the brochure for them.

Hourly rate: $100 to $300 an hour (financial planning and consulting for professional staff)

As stated in the firm's Form ADV Part 2A brochure dated March 27, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

$1,335,217,612 as of October 2026, filing dated April 30, 2026.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

• Financial planning services
• Portfolio management for individuals and/or small businesses
• Portfolio management for businesses (other than small businesses) or institutional clients
• Pension consulting services
• Selection of other advisers (including private fund managers)
• Publication of periodicals or newsletters
• Educational seminars/workshops

Registration

SEC-registered investment adviser. Status as filed: Approved.

Registered since

2015 (11 years)

Employees

Total: 45. Performing investment advisory functions: 30.

Wrap fee program participation

Yes.

Other offices (Schedule D, Section 1.F)

4 other offices, as of the May 2026 filing

Chicago, ILGrand Rapids, MIJenison, MISt Joseph, MI

States registered or notice-filed

18 states or jurisdictions

AZCACOFLGAILINKSMIMONCOHPASCTNTXWAWI

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

1 Reports 1 disclosure item on Form ADV Item 11. View on IAPD.

Questions answered yes on this filing

Regulatory matters Items 11.C to 11.G

• 11.E(2) Has a self-regulatory organization or a commodities exchange ever found that the firm or an advisory affiliate was involved in a violation of its rules, other than a minor rule violation under a plan the SEC approved?

Each question covers the firm and its advisory affiliates: its current employees other than clerical staff, its officers, partners, and directors, and anyone who controls the firm or is controlled by it. One event can produce yes answers to several questions. SEC-registered advisers and exempt reporting advisers may leave out events more than ten years old, and may answer 11.A(2) and 11.B(2) for pending charges only. What happened, and who was involved, is on the Disclosure Reporting Pages of the IAPD record. Reading a firm's disclosures

Regulatory assets under management: $893,858,070 in the October 2021 data and $1,335,217,612 in the October 2026 data, up 49%.

Total employees: 40 in October 2021 and 45 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

1. April 2026
   • Regulatory assets under management went from $1,152,401,650 to $1,335,217,612 (+16%).
   • Changed its office addresses in Grand Rapids, MI.
   • Updated its list of owners and control persons (Schedule A).

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.