diff --git a/src/Exceptions/Request/Statuses/BadGatewayException.php b/src/Exceptions/Request/Statuses/BadGatewayException.php
new file mode 100644
index 00000000..a8d0f44a
--- /dev/null
+++ b/src/Exceptions/Request/Statuses/BadGatewayException.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Saloon\Exceptions\Request\Statuses;
+
+use Saloon\Exceptions\Request\ServerException;
+
+class BadGatewayException extends ServerException
+{
+    //
+}
diff --git a/src/Exceptions/Request/Statuses/BadRequestException.php b/src/Exceptions/Request/Statuses/BadRequestException.php
new file mode 100644
index 00000000..5048ade7
--- /dev/null
+++ b/src/Exceptions/Request/Statuses/BadRequestException.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Saloon\Exceptions\Request\Statuses;
+
+use Saloon\Exceptions\Request\ClientException;
+
+class BadRequestException extends ClientException
+{
+    //
+}
diff --git a/src/Exceptions/Request/Statuses/ConflictException.php b/src/Exceptions/Request/Statuses/ConflictException.php
new file mode 100644
index 00000000..f95e5c0f
--- /dev/null
+++ b/src/Exceptions/Request/Statuses/ConflictException.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Saloon\Exceptions\Request\Statuses;
+
+use Saloon\Exceptions\Request\ClientException;
+
+class ConflictException extends ClientException
+{
+    //
+}
diff --git a/src/Helpers/RequestExceptionHelper.php b/src/Helpers/RequestExceptionHelper.php
index 38f33b6a..c4f5bda9 100644
--- a/src/Helpers/RequestExceptionHelper.php
+++ b/src/Helpers/RequestExceptionHelper.php
@@ -9,8 +9,11 @@
 use Saloon\Exceptions\Request\ClientException;
 use Saloon\Exceptions\Request\ServerException;
 use Saloon\Exceptions\Request\RequestException;
+use Saloon\Exceptions\Request\Statuses\ConflictException;
 use Saloon\Exceptions\Request\Statuses\NotFoundException;
 use Saloon\Exceptions\Request\Statuses\ForbiddenException;
+use Saloon\Exceptions\Request\Statuses\BadGatewayException;
+use Saloon\Exceptions\Request\Statuses\BadRequestException;
 use Saloon\Exceptions\Request\Statuses\UnauthorizedException;
 use Saloon\Exceptions\Request\Statuses\GatewayTimeoutException;
 use Saloon\Exceptions\Request\Statuses\RequestTimeOutException;
@@ -32,15 +35,18 @@ public static function create(Response $response, ?Throwable $previous = null):
 
         $requestException = match (true) {
             // Built-in exceptions
+            $status === 400 => BadRequestException::class,
             $status === 401 => UnauthorizedException::class,
             $status === 402 => PaymentRequiredException::class,
             $status === 403 => ForbiddenException::class,
             $status === 404 => NotFoundException::class,
             $status === 405 => MethodNotAllowedException::class,
             $status === 408 => RequestTimeOutException::class,
+            $status === 409 => ConflictException::class,
             $status === 422 => UnprocessableEntityException::class,
             $status === 429 => TooManyRequestsException::class,
             $status === 500 => InternalServerErrorException::class,
+            $status === 502 => BadGatewayException::class,
             $status === 503 => ServiceUnavailableException::class,
             $status === 504 => GatewayTimeoutException::class,
 
diff --git a/tests/Unit/RequestExceptionTest.php b/tests/Unit/RequestExceptionTest.php
index db4d2b40..98bbd042 100644
--- a/tests/Unit/RequestExceptionTest.php
+++ b/tests/Unit/RequestExceptionTest.php
@@ -9,8 +9,11 @@
 use Saloon\Exceptions\Request\RequestException;
 use Saloon\Tests\Fixtures\Requests\UserRequest;
 use Saloon\Tests\Fixtures\Connectors\TestConnector;
+use Saloon\Exceptions\Request\Statuses\ConflictException;
 use Saloon\Exceptions\Request\Statuses\NotFoundException;
 use Saloon\Exceptions\Request\Statuses\ForbiddenException;
+use Saloon\Exceptions\Request\Statuses\BadGatewayException;
+use Saloon\Exceptions\Request\Statuses\BadRequestException;
 use Saloon\Tests\Fixtures\Requests\AlwaysHasFailureRequest;
 use Saloon\Exceptions\Request\Statuses\UnauthorizedException;
 use Saloon\Exceptions\Request\Statuses\GatewayTimeoutException;
@@ -35,15 +38,18 @@
     expect($exception)->toBeInstanceOf($expectedException);
     expect($exception->getMessage())->toEqual($message);
 })->with([
+    [400, BadRequestException::class],
     [401, UnauthorizedException::class],
     [402, PaymentRequiredException::class],
     [403, ForbiddenException::class],
     [404, NotFoundException::class],
     [405, MethodNotAllowedException::class],
     [408, RequestTimeOutException::class],
+    [409, ConflictException::class],
     [422, UnprocessableEntityException::class],
     [429, TooManyRequestsException::class],
     [500, InternalServerErrorException::class],
+    [502, BadGatewayException::class],
     [503, ServiceUnavailableException::class],
     [504, GatewayTimeoutException::class],
     [418, ClientException::class],