No longer valid - EE3 now supports this in the Template options.

event_espresso_price_list.php

<?php
//This function should be added to the custom files addon, in the wp-content/uploads/espresso/custom_functions.php file, or your in your theme, in the wp-content/themes/theme-name/functions.php.
if (!function_exists('event_espresso_price_list')) {

    function event_espresso_price_list($event_id) {
    	$html = '';
        global $wpdb, $org_options;
		$sql = "SELECT id, event_cost, surcharge, surcharge_type, price_type";
		$order_by = 'event_cost';
		if ( function_exists('espresso_members_installed') && espresso_members_installed() == true && is_user_logged_in() ) {
			$sql .= ", member_price, member_price_type ";
			$member_event = TRUE;
			$order_by = 'member_price';
		}
		$sql .= " FROM " . EVENTS_PRICES_TABLE . " WHERE event_id='" . $event_id . "' ORDER BY " . $order_by . " ASC";
		$results = $wpdb->get_results( $wpdb->prepare($sql, '') );
        if ($wpdb->num_rows > 1) {	
			//Create a dropdown of prices
			$html .= '<ul id="price-list-' . $event_id . '" class="espresso-price-list">';

            foreach ($results as $result) {
				
				if ($member_event == TRUE) {
					$result->event_cost = $result->member_price;
					$result->price_type = $result->member_price_type;
				}
			
				 // Addition for Early Registration discount
                if ($early_price_data = early_discount_amount($event_id, $result->event_cost)) {
                    $result->event_cost = $early_price_data['event_price'];
                    $message = __(' Early Pricing', 'event_espresso');
                } else {
					$message = '';
				}

                $surcharge = '';

                if ($result->surcharge > 0 && $result->event_cost > 0.00) {
                    $surcharge = " + {$org_options['currency_symbol']}{$result->surcharge} " . $surcharge_text;
                    if ($result->surcharge_type == 'pct') {
                        $surcharge = " + {$result->surcharge}% " . $surcharge_text;
                    }
                }
				$html .= '<li>' . stripslashes_deep($result->price_type) . ' (' . $org_options['currency_symbol'] . number_format($result->event_cost, 2) . $message . ') ' . $surcharge . ' </li>';
			}
			
			$html .= '</ul>';
		}else{
			if ($member_event == TRUE) {
				$event_cost = $wpdb->last_result[0]->member_price;
				$price_type = $wpdb->last_result[0]->member_price_type;
			}else{
				$event_cost = $wpdb->last_result[0]->event_cost;
				$price_type = $wpdb->last_result[0]->price_type;
			}
			$html .= '<p>' . $price_type . ' ' . $org_options['currency_symbol'] . number_format($event_cost, 2) . '</p>';
		}
		echo $html;
		return;
	}
}
add_action('action_hook_espresso_price_list', 'event_espresso_price_list', 20, 2);

event_list_display.php

//Just add this line of code wherever you want the list if prices to display (most likely in your wp-content/uploads/espresso/templates/event_list_display.php file):

<?php do_action('action_hook_espresso_price_list', $event_id);?>