function atstump_preprocess(&$vars, $hook) {
    $vars['contact'] = array(
        'name' => 'Doug Gillum',
        'business' => 'Portland Stump Grinding',
        /...
    );
}

<ul>
  <li><?php print $contact['name']; ?></li>
  <li><?php print $contact['phone']; ?></li>
  <li><?php print $contact['email']; ?></li>
</ul>

Notice: Undefined variable: contact in eval() (line 2 of C:xampphtdocsstumpgrindingmodulesphpphp.module(75) : eval()'d code).
Notice: Undefined variable: contact in eval() (line 3 of C:xampphtdocsstumpgrindingmodulesphpphp.module(75) : eval()'d code).
Notice: Undefined variable: contact in eval() (line 4 of C:xampphtdocsstumpgrindingmodulesphpphp.module(75) : eval()'d code).

$GLOBALS['email1'] = 'example@email.com';

function mymodule_form_system_site_information_settings_alter ( &$form, &$form_state ) {
    $form['contact'] = array(
        '#type' => 'fieldset',
        '#title' => t('Contact'),
    );
    $form['contact']['contact_name'] = array(
        '#type' => 'textfield',
        '#title' => t('Contact name'),
        '#default_value' => variable_get('contact_name', ''),
        '#size' => 40,
    );
}

<?php echo variable_get('contact_name', '');?>