Magento Community Edition, 1.9.x
Product Group Price Setup

The display of group prices in the store follows the general logic used for Magento pricing. If, in addition to the regular price, a product has promotional price(s), the lowest price appears in the storefront. If a product custom option has price set as a percentage, then the lowest promotional price is used as base for the calculation. The same logic applies when the associated products (the options) of a configurable product have prices set as a percentage.

Important! When a group price is set for a product, the catalog price rules for the corresponding customer groups are applied to the group price, not to the regular price.

To set up a group price for a product:

1. On the Admin menu, select Catalog > Manage Products. Then in the list, click to open the product in edit mode.
2. In the panel on the left, click Prices. Then, do the following:
a. In the Group Price field, click the Add Group Price button.
b. Select the target Customer Group and enter the product Price for the group. The Website column defines the scope of the Group Price field.
3. When complete, click the Save button.