SILO · Silo Pharma, Inc.

This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions on November 19, 2025 at prices ranging from $0.3975 to $0.4100. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions on November 18, 2025 at prices ranging from $0.4000 to $0.4050. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

This price reflects the weighted average price at which these shares were purchased. The shares were purchased in multiple transactions at prices ranging from $0.42 to $0.45, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The options were issued pursuant to the Issuer's 2020 Omnibus Equity Incentive Plan and one hundred percent (100%) of the shares subject to the option shall vest on the one (1)-year anniversary of the date of grant.

The options were issued pursuant to the Issuer's 2020 Omnibus Equity Incentive Plan and one hundred percent (100%) of the shares subject to the option shall vest on the one (1)-year anniversary of the date of grant.

The options were issued pursuant to the Issuer's 2020 Omnibus Equity Incentive Plan and one hundred percent (100%) of the shares subject to the option shall vest on the one (1)-year anniversary of the date of grant.

The options were issued pursuant to the Issuer's 2020 Omnibus Equity Incentive Plan and one hundred percent (100%) of the shares subject to the option shall vest on the one (1)-year anniversary of the date of grant.

The options were issued pursuant to the Issuer's 2020 Omnibus Equity Incentive Plan and one hundred percent (100%) of the shares subject to the option shall vest on the one (1)-year anniversary of the date of grant.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.11 to $1.12. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.00 to $2.05. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.96 to $1.97. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.90 to $1.93. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.91 to $1.95. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.60 to $1.63. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.61 to $1.65. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.51 to $1.52. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.34 to $1.40. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.39 to $1.40. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.52 to $1.55. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.56 to $1.57. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.64 to $1.70. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.57 to $1.65. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.45 to $1.60. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.24 to $1.46. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in two transactions at $2.104 and $2.109. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.000 to $2.0899. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.65 to $2.713. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.992 to $3.20. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.1302 to $0.11. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

This Form 4/A deletes the second Non-Qualified Stock Option for 171,233 shares erroneously reported in the original Form 4 filed on January 3, 2022.

The options were issued under the issuer's 2020 Omnibus Equity Incentive Plan.

Vests over the course of one year from grant with 100% vesting a year from the date of grant.

The options were issued under the issuer's 2020 Omnibus Equity Incentive Plan.

Vests over the course of one year from grant with 100% vesting a year from the date of grant.

The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.131 to $0.1455. The reporting person undertakes to provide Silo Pharma, Inc., any security holder of Silo Pharma, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.