Exhibit 6.4

SIBANNAC, INC.

LETTER OF INTENT

FOR PURCHASE OF SPUR BIOTECH, LLC

This Letter of Intent (the “LOI”) outlines the key terms of a proposed purchase of SPUR BIOTECH, LLC, an Ohio limited liability company, located in Hudson Ohio, hereinafter referred to as the company (“Company” or “SPUR”) by SIBANNAC, INC. (“Purchaser” or “SIBANNAC”). SPUR has the right but not the obligation to sell, assign, transfer, or exchange its ownership interest to a newly formed acquisition company prior to the final definitive agreement.

SIBANNAC, Inc. is a Nevada corporation and is publicly traded on the OTC market as SNNC. The company is engaged in the development, marketing and sale of beverage and supplement products.

Phase 1: SIBANNAC acquires up to, but not to exceed 46.5% of the membership units of SPUR in exchange for a newly created class of SIBANNAC stock. This class shall be designated as an 8.25% coupon non-convertible preferred, held solely by SPUR, and shall contain such other terms and designations as the parties mutually agreed upon in a definitive Agreement. The amount will depend on the total amount provided. See Exhibit A for further clarification.

Such Agreement shall also provide terms for the remaining 51% of SPUR’s membership interest, whether in cash and/or stock or some other arrangement.

Upon closing, SIBANNAC will add a seat to the Board of Directors and SPUR shall designate the individual to fill the vacancy, subject to said individual’s eligibility to sit on the board of directors of a public company.

Phase 2: SIBANNAC shall conduct an audit and upon issuance shall file the necessary documents with the SEC as a fully reporting company.

Phase 3: SIBANNAC will file a secondary public offering under Regulation A, seeking up to $50M. The parties will agree to terms in the definitive agreement regarding the benchmarks to be achieved through the offering.

To Be Determined:

1. Un-wind of acquisition if benchmarks are not achieved – see Exhibit B

During the pendency of the proposed transaction, any funds raised by SIBANNAC in an equity sale shall not exceed 24% of the outstanding stock issued and shall not have any effect on SPUR’s equity position upon closing.

SPUR BioTech, LLC, (SBT-O) is an Ohio Limited Liability Company. SBT-O creates high performance plant bio-derived products from genetically modified plant crops as attractive alternates for biopharmaceuticals. SBT-O’s IP protected technologies enable the biochemically tailoring of targeted molecules using a non-transgenic plant stem cell which is then genetically modified through plant crop breeding thus yielding high thru-put propagation and rapid automated full spectrum biome crop growing.

Phase 1: SPUR BioTech, LLC (the Ohio LLC hereby noted as SBT- O) is to be acquired by SPUR BioTech, LLC (the Arizona LLC hereby noted as SBT-A). Shares before and after are noted in Exhibit A.

Phase 2: If SNNC does not perform with providing funding within the next 90 days, then either party can negate the transaction. If SNNC only partially performs, yet is acceptable to SBT-A, the their equity ownership is noted in Schedule B.

Phase 3: The current shareholders of SBT-A (minus SNNC’s allocation) will receive a royalty based on a per dosage of $1.50 to be maintained on an indefinite period of time.

COMPANY:

SPUR BIOTECH, LLC

SIBANNAC, INC.:

Exhibit A

Current % Allocation of Units

The initial ownership of SPUR BioTech Ohio before acquisition of SPUR BioTech Arizona is as follows

EXHIBIT A (CON’T)

Final % Allocation of Units

The final ownership of SPUR BioTech Ohio after acquisition of SPUR BioTech Arizona and a 95% dilution - is as follows:

* Each investor receives twice their principal investment back in the form of preferred interest.

It should be noted that upon at time of initial distributions, the investors as noted here and on page before are to receive twice their investment returned (their investment plus a 100% return)). This will have no impact on their equity allocation noted in Column titled % After Adjustment.

Exhibit B

Benchmarks

It is understood that Sibannac could provide more or less than the planned $1,000,000 for the 1,000,000 shares of preferred. SNNC’s equity ownership is The formula is the maximum amount of SNNC’s ownership of SPUR (46.5%) - multiplied by the amount of the loan provided - divided by the maximum amount of funds to be provided ($1,000,000).

An example of various scenarios: