public function getPaymentFeeExclVat($address)
    {
        $config = Mage::getSingleton('adyen_fee/tax_config');
        $quote = $address->getQuote();
        $store = $quote->getStore();
        $fee = $this->getPaymentFeeAmount($quote, $store);
        if ($fee && $config->paymentFeePriceIncludesTax($store)) {
            $fee -= $this->getPaymentFeeVat($address);
        }

        return $fee;
    }